World Journal of Surgical Oncology

Article	Citations
Prognostic prediction of systemic immune-inflammation index for patients with gynecological and breast cancers: a meta-analysis	52
Smokers or non-smokers: who benefits more from immune checkpoint inhibitors in treatment of malignancies? An up-to-date meta-analysis	50
Survival benefits of neoadjuvant chemo(radio)therapy versus surgery first in patients with resectable or borderline resectable pancreatic cancer: a systematic review and meta-analysis	45
CDK1 and CDC20 overexpression in patients with colorectal cancer are associated with poor prognosis: evidence from integrated bioinformatics analysis	42
Synchronous and metachronous liver metastases in patients with colorectal cancer—towards a clinically relevant definition	38
Risk factors for anastomotic leakage and its impact on long-term survival in left-sided colorectal cancer surgery	38
Albumin-fibrinogen ratio and fibrinogen-prealbumin ratio as promising prognostic markers for cancers: an updated meta-analysis	36
Selenium nanoparticles (SeNPs) have potent antitumor activity against prostate cancer cells through the upregulation of miR-16	36
Laparoscopic versus open gastrectomy for gastric cancer	34
Issues on peritoneal metastasis of gastric cancer: an update	33
Prognosis and risk factors for malignant peripheral nerve sheath tumor: a systematic review and meta-analysis	32
High expression of FABP4 and FABP6 in patients with colorectal cancer	32
Risk and early predictive factors of anastomotic leakage in laparoscopic low anterior resection for rectal cancer	32
Actual survival after resection of primary colorectal cancer: results from a prospective multicenter study	31
Neoadjuvant camrelizumab plus chemotherapy in treating locally advanced esophageal squamous cell carcinoma patients: a pilot study	30
The efficacy and safety of radical prostatectomy and radiotherapy in high-risk prostate cancer: a systematic review and meta-analysis	30
Role of the intestinal microbiome in colorectal cancer surgery outcomes	29
Clinicopathological and prognostic significance of platelet-lymphocyte ratio (PLR) in gastric cancer: an updated meta-analysis	29
Role of MMP-9 in epithelial-mesenchymal transition of thyroid cancer	29
Prognostic role of the advanced lung cancer inflammation index in cancer patients: a meta-analysis	27
Prognostic value of the C-reactive protein to albumin ratio in colorectal cancer: an updated systematic review and meta-analysis	27
Mutational spectrum of tobacco associated oral squamous carcinoma and its therapeutic significance	27
Adjuvant chemotherapy after surgery for pancreatic ductal adenocarcinoma: retrospective real-life data	26
Individual or combined transcatheter arterial chemoembolization and radiofrequency ablation for hepatocellular carcinoma: a time-to-event meta-analysis	26
Hsa_circ_0000231 knockdown inhibits the glycolysis and progression of colorectal cancer cells by regulating miR-502-5p/MYO6 axis	25

Risk factors for delayed perineal wound healing and its impact on prolonged hospital stay after abdominoperineal resection	25
Robotic versus laparoscopic gastrectomy for gastric cancer: a systematic review and meta-analysis	25
A computer-aided diagnosing system in the evaluation of thyroid nodules—experience in a specialized thyroid center	24
16S rDNA microbiome composition pattern analysis as a diagnostic biomarker for biliary tract cancer	24
Atypical parathyroid adenoma: clinical and anatomical pathologic features	23
Cuproptosis-related lncRNA predict prognosis and immune response of lung adenocarcinoma	23
PD-1/PD-L1 expression profiles within intrahepatic cholangiocarcinoma predict clinical outcome	23
The efficacy and safety of combined immune checkpoint inhibitors (nivolumab plus ipilimumab): a systematic review and meta-analysis	23
Survival outcomes of neoadjuvant versus adjuvant chemotherapy in triple-negative breast cancer: a meta-analysis of 36,480 cases	23
Real-time surveillance of surgical margins via ICG-based near-infrared fluorescence imaging in patients with OSCC	23
Circ_0082182 promotes oncogenesis and metastasis of colorectal cancer in vitro and in vivo by sponging miR-411 and miR-1205 to activate the Wnt/β-catenin pathway	22
Neoadjuvant strategies in resectable carcinoma esophagus: a meta-analysis of randomized trials	22
Safety and efficacy of en bloc transurethral resection versus conventional transurethral resection for primary nonmuscle-invasive bladder cancer: a meta-analysis	22
The preoperative and the postoperative neutrophil-to-lymphocyte ratios both predict prognosis in gastric cancer patients	22
Imaging in disappearing colorectal liver metastases and their accuracy: a systematic review	22
Analysis of lymph node metastasis in early gastric cancer: a single institutional experience from China	21
How does lymph node yield affect survival outcomes of stage I and II colon cancer?	21
Oncological outcomes of laparoscopic versus open nephroureterectomy for the treatment of upper tract urothelial carcinoma: an updated meta-analysis	21
Prognostic value of neuron-specific enolase for small cell lung cancer: a systematic review and meta-analysis	20
Is microsatellite instability-high really a favorable prognostic factor for advanced colorectal cancer? A meta-analysis	20
Accuracy of CEUS-guided sentinel lymph node biopsy in early-stage breast cancer: a study review and meta-analysis	20
MiR-489 inhibited the development of gastric cancer via regulating HDAC7 and PI3K/AKT pathway	20
miR-29c-3p regulates proliferation and migration in ovarian cancer by targeting KIF4A	19
A meta-analysis of the efficacy and safety of adjuvant sorafenib for hepatocellular carcinoma after resection	19
MiR-125 inhibited cervical cancer progression by regulating VEGF and PI3K/AKT signaling pathway	19
Integrated analysis of RNA-binding proteins in human colorectal cancer	19
A 4-gene-based hypoxia signature is associated with tumor immune microenvironment and predicts the prognosis of pancreatic cancer patients	19
Effects of reconstruction techniques after proximal gastrectomy: a systematic review and meta-analysis	19
Prognostic value of pre-treatment Naples prognostic score (NPS) in patients with osteosarcoma	19
A nomogram to predict skip metastasis in papillary thyroid cancer	19
Impact of frailty on 5-year survival in patients older than 70 years undergoing colorectal surgery for cancer	19
Impact of intramuscular adipose tissue content on short- and long-term outcomes of hepatectomy for colorectal liver metastasis: a retrospective analysis	19
Investigating effects of preoperative inflammatory biomarkers on predicting survival outcomes of intrahepatic cholangiocarcinoma after curative resection	18
Factors predicting recurrence after curative resection for rectal cancer: a 16-year study	18
A nomogram model for predicting prognosis of obstructive colorectal cancer	18
Chaperonin containing t-complex polypeptide 1 subunit 6A correlates with lymph node metastasis, abnormal carcinoembryonic antigen and poor survival profiles in non-small cell lung carcinoma	18
Identification of differentially methylated genes as diagnostic and prognostic biomarkers of breast cancer	18
Oncologic and long-term outcomes of enhanced recovery after surgery in cancer surgeries — a systematic review	18
The role of three-dimensional reconstruction in laparoscopic partial nephrectomy for complex renal tumors	18
A systematic review of proteomic biomarkers in oral squamous cell cancer	18
Prognosis of limited-stage small cell lung cancer with comprehensive treatment including radical resection	18
Clinicopathological factors affecting the effect of neoadjuvant chemotherapy in patients with gastric cancer	17
Significance of bile culture surveillance for postoperative management of pancreatoduodenectomy	17
Prognosis and survival analysis of patients with pancreatic cancer: retrospective experience of a single institution	17
Does liver cirrhosis affect the surgical outcome of primary colorectal cancer surgery? A meta-analysis	17
Prognostic role of pre-sarcopenia and body composition with long-term outcomes in obstructive colorectal cancer: a retrospective cohort study	17
Fecal incontinence after total mesorectal excision for rectal cancer—impact of potential risk factors and pelvic intraoperative neuromonitoring	16
Optimization of perioperative approaches for advanced and late stages of gastric cancer: clinical proposal based on literature evidence, personal experience, and ongoing trials and research	16
The prognostic impact of neutrophil-to-lymphocyte ratio (NLR) and lymphocyte-to-monocyte ratio (LMR) in patients with distal bile duct cancer	16
Treatment patterns and survival outcomes of advanced hypopharyngeal squamous cell carcinoma	16

Conversion surgery for stage IV gastric cancer with a complete pathological response to nivolumab: a case report	16
Effect of thoracic paravertebral nerve block on the early postoperative rehabilitation in patients undergoing thoracoscopic radical lung cancer surgery	16
Evaluation of serum MUC5AC in combination with CA19-9 for the diagnosis of pancreatic cancer	16
ALPPS versus two-stage hepatectomy for colorectal liver metastases—–a comparative retrospective cohort study	16
Blood cell count indexes as predictors of anastomotic leakage in elective colorectal surgery: a multicenter study on 1432 patients	16
Hsa_circ_0025202 suppresses cell tumorigenesis and tamoxifen resistance via miR-197-3p/HIPK3 axis in breast cancer	16
Identification of a ferroptosis-related gene signature predictive model in colon cancer	16
Significance of a preoperative systemic immune-inflammation index as a predictor of postoperative survival outcomes in gastric cancer	16
Volume replacement with diced acellular dermal matrix in oncoplastic breast-conserving surgery: a prospective single-center experience	16
Epidemiological characteristics of 1385 primary sacral tumors in one institution in China	16
Development and validation of a nomogram for preoperative prediction of lymph node metastasis in early gastric cancer	16
Sarcopenia as a prognostic factor in patients with recurrent pancreatic cancer: a retrospective study	16
Skeletal muscle loss in the postoperative acute phase after esophageal cancer surgery as a new prognostic factor	16
The impact of treatment delay on skin cancer in COVID-19 era: a case-control study	15
Clinical efficacy of enhanced recovery after surgery (ERAS) program in patients undergoing radical prostatectomy: a systematic review and meta-analysis	15
Laparoscopic versus open approach in gastrectomy for advanced gastric cancer: a systematic review	15
Identification of a prognostic gene signature of colon cancer using integrated bioinformatics analysis	15
Pan-cancer analysis of m5C regulator genes reveals consistent epigenetic landscape changes in multiple cancers	15
Acellular dermal matrix as filler in breast-conserving surgery: warnings for a careful use	15
Circ_0055625 knockdown inhibits tumorigenesis and improves radiosensitivity by regulating miR-338-3p/MSI1 axis in colon cancer	15
Determination of a six-gene prognostic model for cervical cancer based on WGCNA combined with LASSO and Cox-PH analysis	15
The preoperative prognostic value of the radiomics nomogram based on CT combined with machine learning in patients with intrahepatic cholangiocarcinoma	15
CT and MRI manifestations of mediastinal cavernous hemangioma and a review of the literature	15
Postoperative pain pathophysiology and treatment strategies after CRS + HIPEC for peritoneal cancer	15
Circ-FOXM1 contributes to cell proliferation, invasion, and glycolysis and represses apoptosis in melanoma by regulating miR-143-3p/FLOT2 axis	15
The combination therapy of transarterial chemoembolisation and sorafenib is the preferred palliative treatment for advanced hepatocellular carcinoma patients: a meta-analysis	15
Major complications of post-chemotherapy retroperitoneal lymph node dissection in a contemporary cohort of patients with testicular cancer and a review of the literature	15
Clinical impact of PD-L1 expression in triple-negative breast cancer patients with residual tumor burden after neoadjuvant chemotherapy	15
Comparison of three digestive tract reconstruction methods for the treatment of Siewert II and III adenocarcinoma of esophagogastric junction: a prospective, randomized controlled study	15
Overcoming a travel burden to high-volume centers for treatment of retroperitoneal sarcomas is associated with improved survival	14
Application of Gd-EOB-DTPA-enhanced magnetic resonance imaging (MRI) in hepatocellular carcinoma	14
Prognostic value of lymphocyte to monocyte ratio in pancreatic cancer: a systematic review and meta-analysis including 3338 patients	14
Screening of CXC chemokines in the microenvironment of ovarian cancer and the biological function of CXCL10	14
Assessment of outcomes and novel immune biomarkers in metaplastic breast cancer: a single institution retrospective study	14
Pattern and risk factors of local recurrence after nephroureterectomy for upper tract urothelial carcinoma	14
Hsa_circ_0001982 promotes the progression of breast cancer through miR-1287-5p/MUC19 axis under hypoxia	14
DCK is a promising prognostic biomarker and correlated with immune infiltrates in hepatocellular carcinoma	14
Prognostic biomarkers related to breast cancer recurrence identified based on Logit model analysis	14
Construction and prognostic analysis of miRNA-mRNA regulatory network in liver metastasis from colorectal cancer	14
Prognostic value of preoperative lymphocyte-related systemic inflammatory biomarkers in upper tract urothelial carcinoma patients treated with radical nephroureterectomy: a systematic review and meta-	14
Endoglin (CD105) and VEGF as potential angiogenic and dissemination markers for colorectal cancer	14
Geriatric nutritional risk index predicts cancer prognosis in patients with local advanced rectal cancer undergoing chemoradiotherapy followed by curative surgery	14
Inhibition of HIF1A-AS1 promoted starvation-induced hepatocellular carcinoma cell apoptosis by reducing HIF-1α/mTOR-mediated autophagy	14
CT radiomics nomogram for the preoperative prediction of severe post-hepatectomy liver failure in patients with huge (≥ 10 cm) hepatocellular carcinoma	14
Angiogenic inflammation and formation of necrosis in the tumor microenvironment influence patient survival after radical surgery for de novo hepatocellular carcinoma in non-cirrhosis	14
Three-dimensional printing technology for localised thoracoscopic segmental resection for lung cancer: a quasi-randomised clinical trial	14
Identification of key genes unique to the luminal a and basal-like breast cancer subtypes via bioinformatic analysis	14
COVID-19-induced sarcopenia and physical deconditioning may require reassessment of surgical risk for patients with cancer	14
Systematic review and meta-analysis of video-assisted thoracoscopic surgery segmentectomy versus lobectomy for stage I non–small cell lung cancer	14
Circ_DOCK1 regulates USP11 through miR-132-3p to control colorectal cancer progression	14
Circ_0026416 downregulation blocks the development of colorectal cancer through depleting MYO6 expression by enriching miR-545-3p	13
Prognostic impact of Borrmann classification on advanced gastric cancer: a retrospective cohort from a single institution in western China	13
Predictive value of pretreatment PD-L1 expression in EGFR-mutant non-small cell lung cancer: a meta-analysis	13
Identification and validation of a five-gene prognostic signature for hepatocellular carcinoma	13
The importance of synchronicity in the management of colorectal peritoneal metastases with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy	13
Prognostic factors in pulmonary metastasectomy and efficacy of repeat pulmonary metastasectomy from colorectal cancer	13
Safety and efficacy of side-to-end anastomosis versus colonic J-pouch anastomosis in sphincter-preserving resections: an updated meta-analysis of randomized controlled trials	13
Surgical training model and safe implementation of robotic pancreatoduodenectomy in Japan: a technical note	13
Development and validation of a prognostic nomogram for predicting early recurrence after curative resection of stage II/III gastric cancer	13
Follistatin-like 1 (FSTL1) is a prognostic biomarker and correlated with immune cell infiltration in gastric cancer	13
Identification and verification of HCAR3 and INSL5 as new potential therapeutic targets of colorectal cancer	13
Using the axillary reverse mapping technique to screen breast cancer patients with a high risk of lymphedema	13
Short- and medium-term outcomes of intracorporeal versus extracorporeal anastomosis in laparoscopic right colectomy: a propensity score-matched study	13
PTC located in the upper pole is more prone to lateral lymph node metastasis and skip metastasis	13
Accuracy of various criteria for lymph node staging in ductal adenocarcinoma of the pancreatic head by computed tomography and magnetic resonance imaging	13
Identification of latent biomarkers in connection with progression and prognosis in oral cancer by comprehensive bioinformatics analysis	13
Clinicopathological features and recurrence patterns of combined hepatocellular-cholangiocarcinoma	13
Preoperative Controlling Nutritional Status (CONUT) score predicts short-term outcomes of patients with gastric cancer after laparoscopy-assisted radical gastrectomy	13
miR-381-3p suppresses breast cancer progression by inhibition of epithelial–mesenchymal transition	13
The impact of preoperative biliary drainage on postoperative outcomes in patients with malignant obstructive jaundice: a retrospective analysis of 290 consecutive cases at a single medical center	12
Effectiveness comparison of indocyanine green retention test with the cirrhotic severity scoring in evaluating the pathological severity of liver cirrhosis in patients with hepatocellular carcinoma an	12
PDIA6 contributes to aerobic glycolysis and cancer progression in oral squamous cell carcinoma	12
New classifications of axillary lymph nodes and their anatomical-clinical correlations in breast surgery	12
XIST promotes cell proliferation and invasion by regulating miR-140-5p and SOX4 in retinoblastoma	12
Loco-regional recurrence trend and prognosis in young women with breast cancer according to molecular subtypes: analysis of 1099 cases	12
Comparison of effect between nasobiliary drainage and biliary stenting in malignant biliary obstruction: a systematic review and updated meta-analysis	12
A comparison between pylorus-preserving and distal gastrectomy in surgical safety and functional benefit with gastric cancer: a systematic review and meta-analysis	12
The efficacy and safety of the addition of poly ADP-ribose polymerase (PARP) inhibitors to therapy for ovarian cancer: a systematic review and meta-analysis	12
Serum lncRNA-ANRIL and SOX9 expression levels in glioma patients and their relationship with poor prognosis	12
Comparison of robotic and laparoscopic rectal cancer surgery: a meta-analysis of randomized controlled trials	12

CT imaging-based machine learning model: a potential modality for predicting low-risk and high-risk groups of thymoma: “Impact of surgical modality choice”	12
MicroRNA-192 promotes the development of nasopharyngeal carcinoma through targeting RB1 and activating PI3K/AKT pathway	12
Long non-coding RNA XIST regulates ovarian cancer progression via modulating miR-335/BCL2L2 axis	12
Moesin as a prognostic indicator of lung adenocarcinoma improves prognosis by enhancing immune lymphocyte infiltration	12
Trends in the incidence of oral cancer in Saudi Arabia from 1994 to 2015	12
Prognostic significance of CD163+ tumor-associated macrophages in colorectal cancer	12
The effect and safety of preoperative biliary drainage in patients with hilar cholangiocarcinoma: an updated meta-analysis	11
Oncological outcomes of laparoscopic versus open gastrectomy after neoadjuvant chemotherapy for locally advanced gastric cancer: a retrospective multicenter study	11
A prognostic model for hepatocellular carcinoma based on apoptosis-related genes	11
Upregulation of miR-1825 inhibits the progression of glioblastoma by suppressing CDK14 though Wnt/β-catenin signaling pathway	11
Staging laparoscopy and peritoneal cytology in patients with early stage gastric adenocarcinoma	11
The MCM3AP-AS1/miR-126/VEGF axis regulates cancer cell invasion and migration in endometrioid carcinoma	11
Comparison of the overall survival of proximal and distal gastric cancer after gastrectomy: a systematic review and meta-analysis	11
In silico analysis of differentially expressed genesets in metastatic breast cancer identifies potential prognostic biomarkers	11
Is insulin resistance a predictor for complete response in breast cancer patients who underwent neoadjuvant treatment?	11
Efficacy and safety of wait and see strategy versus radical surgery and local excision for rectal cancer with cCR response after neoadjuvant chemoradiotherapy: a meta-analysis	11
Cystic lymphangioma in the peripheral jejunal mesentery in an adult and excision with laparoscopic-assisted surgery: a case report	11
The VEGF expression associated with prognosis in patients with intrahepatic cholangiocarcinoma: a systematic review and meta-analysis	11
Talc pleurodesis versus indwelling pleural catheter among patients with malignant pleural effusion: a meta-analysis of randomized controlled trials	11
Comprehensive analyses of correlation and survival reveal informative lncRNA prognostic signatures in colon cancer	11
Opportunities and challenges of patient-derived models in cancer research: patient-derived xenografts, patient-derived organoid and patient-derived cells	11
CTLA-4 polymorphisms and predisposition to digestive system malignancies: a meta-analysis of 31 published studies	11
Gastric cancer with positive peritoneal cytology: survival benefit after induction chemotherapy and conversion to negative peritoneal cytology	11
Frailty is a useful predictive marker of postoperative complications after pancreaticoduodenectomy	11
Robotic and laparoscopic liver surgery for colorectal liver metastases: an experience from a German Academic Center	11
Comparison of efficacy of robotic surgery, laparoscopy, and laparotomy in the treatment of ovarian cancer: a meta-analysis	11
Clinical significance of circulating tumour cells and Ki-67 in renal cell carcinoma	11
Combined primary hepatic neuroendocrine carcinoma and hepatocellular carcinoma: case report and literature review	11
LAIR-1 overexpression inhibits epithelial–mesenchymal transition in osteosarcoma via GLUT1-related energy metabolism	11
MiR-194-5p enhances the sensitivity of nonsmall-cell lung cancer to doxorubicin through targeted inhibition of hypoxia-inducible factor-1	11
Laparoscopic surgery for colorectal cancer with persistent descending mesocolon	11
Traumatic ulcerative granuloma with stromal eosinophilia — clinical case report, literature review, and differential diagnosis	11
Clinical features and surgical outcomes of fibrolamellar hepatocellular carcinoma: retrospective analysis of a single-center experience	11
Significance of frailty in prognosis after surgery in patients with pancreatic ductal adenocarcinoma	11
MicroRNA-638 inhibits the progression of breast cancer through targeting HOXA9 and suppressing Wnt/β-cadherin pathway	11
Association between number of dissected lymph nodes and survival in stage IA non-small cell lung cancer: a propensity score matching analysis	11
The efficacy of ileostomy after laparoscopic rectal cancer surgery: a meta-analysis	11
Overexpression of CCNE1 confers a poorer prognosis in triple-negative breast cancer identified by bioinformatic analysis	11
miR-378a-5p inhibits the proliferation of colorectal cancer cells by downregulating CDK1	10
Dynamic contrast enhanced-MRI and diffusion-weighted image as predictors of lymphovascular invasion in node-negative invasive breast cancer	10
Identification of six candidate genes for endometrial carcinoma by bioinformatics analysis	10
The prognostic value of intratumoral and peritumoral tumor-infiltrating FoxP3+Treg cells in of pancreatic adenocarcinoma: a meta-analysis	10
Meta-analysis of laparoscopic anterior resection with natural orifice specimen extraction (NOSE-LAR) versus abdominal incision specimen extraction (AISE-LAR) for sigmoid or rectal tumors	10
Over-expression of Nav1.6 channels is associated with lymph node metastases in colorectal cancer	10
Research advances on the immune research and prospect of immunotherapy in pituitary adenomas	10
Colorectal cancer surgery in selected nonagenarians is relatively safe and it is associated with a good long-term survival: an observational study	10
Time interval-based indication for liver resection of metastasis from pancreatic cancer	10
Prognosis analysis of patients with pancreatic neuroendocrine tumors after surgical resection and the application of enucleation	10
Identification and validation of three core genes in p53 signaling pathway in hepatitis B virus-related hepatocellular carcinoma	10
Differentiation of primary lung cancer from solitary lung metastasis in patients with colorectal cancer: a retrospective cohort study	10
Pooled analysis of Xpert Bladder Cancer based on the 5 mRNAs for rapid diagnosis of bladder carcinoma	10
Cyanidin-3-glucoside suppresses the progression of lung adenocarcinoma by downregulating TP53I3 and inhibiting PI3K/AKT/mTOR pathway	10
Long non-coding RNA PART1 predicts a poor prognosis and promotes the malignant progression of pancreatic cancer by sponging miR-122	10
LINC01224 promotes colorectal cancer progression through targeting miR-485-5p/MYO6 axis	10
Improved perioperative outcomes and reduced inflammatory stress response in malignant robot-assisted colorectal resections: a retrospective cohort study of 298 patients	10
Preoperative C-reactive protein and other inflammatory markers as predictors of postoperative complications in patients with colorectal neoplasia	10
Assessment of the risk of permanent stoma after low anterior resection in rectal cancer patients	10
Effect and mechanism of downregulating the long-chain noncoding RNA TM4SF1-AS1 on the proliferation, apoptosis and invasion of gastric cancer cells	10
Left colon as a novel high-risk factor for postoperative recurrence of stage II colon cancer	10
The role of FOLFIRINOX in metastatic pancreatic cancer: a meta-analysis	10
Extended versus non-extended lymphadenectomy during radical cystectomy for patients with bladder cancer: a meta-analysis of the effect on long-term and short-term outcomes	10
Clinical analysis of adrenal lesions larger than 5 cm in diameter (an analysis of 251 cases)	10
Role of the triad of procalcitonin, C-reactive protein, and white blood cell count in the prediction of anastomotic leak following colorectal resections	10
Risk factors for central lymph node metastasis in the cervical region in papillary thyroid carcinoma: a retrospective study	10
LncRNA NEAT1 mediates progression of oral squamous cell carcinoma via VEGF-A and Notch signaling pathway	10
Significant co-expression of putative cancer stem cell markers, EpCAM and CD166, correlates with tumor stage and invasive behavior in colorectal cancer	10
Overexpressed pseudogene MT1L associated with tumor immune infiltrates and indicates a worse prognosis in BLCA	10
Clinical benefits of PD-1/PD-L1 inhibitors in patients with metastatic colorectal cancer: a systematic review and meta-analysis	10
An infrared 3D scanning device as a novel limb volume measurement tool in breast cancer patients	10
Chemical composition of surgical smoke produced during the loop electrosurgical excision procedure when treating cervical intraepithelial neoplasia	10
Identification of uterine leiomyosarcoma-associated hub genes and immune cell infiltration pattern using weighted co-expression network analysis and CIBERSORT algorithm	10
A study of the correlation between M2 macrophages and lymph node metastasis of colorectal carcinoma	10
Lymphocyte to C-reactive protein ratio predicts long-term outcomes for patients with lower rectal cancer	10
Survival and prognostic factors in conventional G1 chondrosarcoma	10
The short-term and long-term outcomes of indocyanine green tracer-guided laparoscopic radical gastrectomy in patients with gastric cancer	10
Efficacy of the association liver partition and portal vein ligation for staged hepatectomy for the treatment of solitary huge hepatocellular carcinoma: a retrospective single-center study	10
Prognostic value of regional lymph node involvement in patients with metastatic colorectal cancer: palliative versus curative resection	10
Prognoses, outcomes, and clinicopathological characteristics of very elderly patients with hepatocellular carcinoma who underwent hepatectomy	9
Selection of treatment for hepatic epithelioid hemangioendothelioma: a single-center experience	9
Recombinant human endostatin combined with chemotherapy for advanced squamous cell lung cancer: a meta-analysis	9
Effects of LncRNA MEG3 on immunity and autophagy of non-small cell lung carcinoma through IDO signaling pathway	9
LncRNA ZEB1-AS1 regulates hepatocellular carcinoma progression by targeting miR-23c	9
An MR-based radiomics model for differentiation between hepatocellular carcinoma and focal nodular hyperplasia in non-cirrhotic liver	9
Importance of Circ0009910 in colorectal cancer pathogenesis as a possible regulator of miR-145 and PEAK1	9
Efficacy of chemotherapy for lymph node-positive luminal A subtype breast cancer patients: an updated meta-analysis	9
Adjuvant tegafur-uracil (UFT) or S-1 monotherapy for advanced gastric cancer: a single center experience	9
Non-doctoral factors influencing the surgical choice of Chinese patients with breast cancer who were eligible for breast-conserving surgery	9
Indications for extrahepatic bile duct resection due to perineural invasion in patients with gallbladder cancer	9
N6-methyladenosine (m6A) RNA methylation regulator SNRPC is a prognostic biomarker and is correlated with immunotherapy in hepatocellular carcinoma	9
Anemia can predict the prognosis of colorectal cancer in the pre-operative stage: a retrospective analysis	9
Outcome quality standards in advanced ovarian cancer surgery	9
TCN1 is a potential prognostic biomarker and correlates with immune infiltrates in lung adenocarcinoma	9
Prognosis of papillary thyroid cancer in patients with Graves’ disease: a propensity score-matched analysis	9
Colon metal stents as a bridge to surgery had no significant effects on the perineural invasion: a retrospective study	9
Association of pre-surgery to pre-radiotherapy lymphocyte counts ratio with disease-free survival in rectal cancer patients receiving neoadjuvant concurrent chemoradiotherapy	9
Microarray profile analysis identifies ETS1 as potential biomarker regulated by miR-23b and modulates TCF4 in gastric cancer	9
Circ-RNF111 aggravates the malignancy of gastric cancer through miR-876-3p-dependent regulation of KLF12	9
The immune checkpoint regulator PD-L1 expression are associated with clinical progression in prostate cancer	9
Cervical invasion, lymphovascular space invasion, and ovarian metastasis as predictors of lymph node metastasis and poor outcome on stages I to III endometrial cancers: a single-center retrospective s	9
Outcomes of surgical resection for gastric cancer liver metastases: a retrospective analysis	9
Hypoxic lung cancer cell-derived exosomal miR-21 mediates macrophage M2 polarization and promotes cancer cell proliferation through targeting IRF1	9
Evaluation of metastatic lymph nodes in cN0 thoracic esophageal cancer patients with inconsistent pathological lymph node diagnosis	9
A comparative study of perioperative and survival outcomes of robot-assisted radical cystectomy in patients over 80 and under 80 years old	9
Low expression of organic anion-transporting polypeptide 1B3 predicts a poor prognosis in hepatocellular carcinoma	9
Identification and validation of a miRNA-related expression signature for tumor mutational burden in colorectal cancer	9
Long non-coding RNA SDCBP2-AS1 delays the progression of ovarian cancer via microRNA-100-5p-targeted EPDR1	9
Human nuclear receptors (NRs) genes have prognostic significance in hepatocellular carcinoma patients	9
Long-term outcomes and safety of radical transmediastinal esophagectomy with preoperative docetaxel, cisplatin, and 5-fluorouracil combination chemotherapy for locally advanced squamous cell carcinoma	9
Comparison of breast cancer patients who underwent partial mastectomy (PM) with mini latissimus dorsi flap (MLDF) and subcutaneous mastectomy with implant (M + I) regarding quality of life (QOL), cosm	9
Perioperative strategy and outcome in giant retroperitoneal dedifferentiated liposarcoma—results of a retrospective cohort study	9
Anastomosis technique for pancreatojejunostomy and early removal of drainage tubes may reduce postoperative pancreatic fistula	9
Local excision followed by early radical surgery in rectal cancer: long-term outcome	9
Expression levels and clinical values of miR-92b-3p in breast cancer	9
Validation of a novel reconstruction method of laparoscopic gastrectomy for proximal early gastric cancer: a systematic review and meta-analysis	8
Prognostic significance of preoperative systemic inflammation response index in newly diagnosed glioblastoma patients underwent gross total resection: a propensity score matching analysis	8
Preoperative mechanical bowel preparation with oral antibiotics reduces surgical site infection after elective colorectal surgery for malignancies: results of a propensity matching analysis	8
The treatment strategy of R0 resection in colorectal cancer with synchronous para-aortic lymph node metastasis	8
Predicting factors of central lymph node metastasis and BRAFV600E mutation in Chinese population with papillary thyroid carcinoma	8
Quality assessment of the guidelines for the management of malignant pleural effusions and ascites	8
Lateral lymph node dissection reduces local recurrence of locally advanced lower rectal cancer in the absence of preoperative neoadjuvant chemoradiotherapy: a systematic review and meta-analysis	8
Retrospective analysis of 98 cases of maxillary sinus squamous cell carcinoma and therapeutic exploration	8
Identification of novel antioxidant gene signature to predict the prognosis of patients with gastric cancer	8
The impact of thrombocytopenia on prognosis of HBV-related small hepatocellular carcinoma: a propensity score matching analysis	8
AV loop free flap: an interdisciplinary approach for perineal and sacral defect reconstruction after radical oncological exenteration and radiation in a colorectal cancer patient	8
Systematic review of comparing single-incision versus conventional laparoscopic right hemicolectomy for right colon cancer	8
Survival analysis of local excision vs total mesorectal excision for middle and low rectal cancer in pT1/pT2 stage and intermediate pathological risk	8
Added value of contrast-enhanced mammography (CEM) in staging of malignant breast lesions—a feasibility study	8
Laparoscopic procedure is associated with lower morbidity for simultaneous resection of colorectal cancer and liver metastases: an updated meta-analysis	8
Prognostic value of lymphovascular invasion in stage II colorectal cancer patients with an inadequate examination of lymph nodes	8
A low RENAL Nephrometry Score can avoid the need for the intraoperative insertion of a ureteral catheter in robot-assisted partial nephrectomy	8
Postoperative outcomes of gastric carcinoma with lymphoid stroma	8
Modified score based on revised Tokuhashi score is needed for the determination of surgical intervention in patients with lung cancer metastases to the spine	8
Identification of a novel circ_0018289/miR-183-5p/TMED5 regulatory network in cervical cancer development	8
Endoluminal vacuum-assisted closure (E-Vac) therapy for postoperative esophageal fistula: successful case series and literature review	8
Clinical characteristics and patient outcomes of molecular subtypes of small cell lung cancer (SCLC)	8
miR-499a inhibits the proliferation and apoptosis of prostate cancer via targeting UBE2V2	8
Circulating long noncoding RNAs as potential biomarkers for stomach cancer: a systematic review and meta-analysis	8
Comparison of non-schistosomal colorectal cancer and schistosomal colorectal cancer	8
Analysis of long-term oncological results of clinical versus pathological responses after neoadjuvant treatment in locally advanced rectal cancer	8
Prognostic significance of enlarged paraaortic lymph nodes detected during left-sided colorectal cancer surgery: a single-center retrospective cohort study	8
Nomogram to predict postoperative infectious complications after surgery for colorectal cancer: a retrospective cohort study in China	8
BCL2 and hsa-miR-181a-5p are potential biomarkers associated with papillary thyroid cancer based on bioinformatics analysis	8
High expression of PDZ-binding kinase is correlated with poor prognosis and immune infiltrates in hepatocellular carcinoma	8
Does high-grade dysplasia/carcinoma in situ of the biliary duct margin affect the prognosis of extrahepatic cholangiocarcinoma? A meta-analysis	8
Efficacy of hyperthermic intraperitoneal chemotherapy (HIPEC) in the management of malignant ascites	8

Endometrioid adenocarcinoma of the rectovaginal septum with invasion of the rectum: a case report and review of literature	8
Total resection of a giant retroperitoneal and mediastinal ganglioneuroma—case report and systematic review of the literature	8
Impact of surgical strategies on the survival of gallbladder cancer patients: analysis of 715 cases	8
Nomogram based on homogeneous and heterogeneous associated factors for predicting distant metastases in patients with colorectal cancer	8
Potential of combination of DCE-MRI and DWI with serum CA125 and CA199 in evaluating effectiveness of neoadjuvant chemotherapy in breast cancer	8
Prediction and identification of immune genes related to the prognosis of patients with colon adenocarcinoma and its mechanisms	8
Clinical value of MRI, serum SCCA, and CA125 levels in the diagnosis of lymph node metastasis and para-uterine infiltration in cervical cancer	8
MicroRNA-136-3p inhibits glioma tumorigenesis in vitro and in vivo by targeting KLF7	8
Prognostic value of Onodera’s nutritional index for intermediate- and high-risk gastrointestinal stromal tumors treated with or without tyrosine kinase inhibitors	8
An integrated analysis of prognostic and immune infiltrates for hub genes as potential survival indicators in patients with lung adenocarcinoma	8
Radiofrequency ablation versus laparoscopic hepatectomy for treatment of hepatocellular carcinoma: a systematic review and meta-analysis	8
Intracholecystic papillary neoplasm arising in a patient with pancreaticobiliary maljunction: a case report	7
Efficacy of upfront hepatectomy without neoadjuvant chemotherapy for resectable colorectal liver metastasis	7
Pancreatic outflow tract reconstruction after pancreaticoduodenectomy: a meta-analysis of randomized controlled trials	7
Combining texture features of whole slide images improves prognostic prediction of recurrence-free survival for cutaneous melanoma patients	7
Development and validation of prognostic nomograms for patients with colon neuroendocrine neoplasms	7
How accurate is frozen section pathology compared to permanent pathology in detecting involved margins and lymph nodes in breast cancer?	7
Serum metabolites may be useful markers to assess vascular invasion and identify normal alpha-fetoprotein in hepatocellular carcinoma undergoing liver resection: a pilot study	7
The value of MRI in management of endometrial hyperplasia with atypia	7
The effects and safety of omega-3 fatty for acute lung injury: a systematic review and meta-analysis	7
Fibrinogen/albumin ratio index is an independent predictor of recurrence-free survival in patients with intrahepatic cholangiocarcinoma following surgical resection	7
Prognostic factors of BRAF V600E colorectal cancer with liver metastases: a retrospective multicentric study	7
Peritoneal spillage is not an issue in patients undergoing minimally invasive surgery for colorectal cancer	7
Influence of peritoneal carcinomatosis on perioperative outcome in palliative gastric bypass for malignant gastric outlet obstruction - a retrospective cohort study	7
Impact of the interval between neoadjuvant concurrent chemoradiotherapy and esophagectomy in the modern era: a population-based propensity-score-matched retrospective cohort study in Asia	7
Trends in peritoneal surface malignancies: evidence from a Czech nationwide population-based study	7
Dynamic perfusion digital radiography for predicting pulmonary function after lung cancer resection	7
Unclassified mesenchymal sarcoma with NTRK1-KHDRBS1 gene fusion: a case report of long-term tumor-free survival with crizotinib treatment	7
The risk factors of local recurrence and distant metastasis on pT1/T2N0 mid-low rectal cancer after total mesorectal excision	7
MiR-363 suppresses cell migration, invasion, and epithelial-mesenchymal transition of osteosarcoma by binding to NOB1	7
Does the Endoscopic Surgical Skill Qualification System improve patients’ outcome following laparoscopic surgery for colon cancer? A multicentre, retrospective analysis with propensity score matching	7
Meta-analysis of neoadjuvant chemotherapy versus neoadjuvant chemoradiotherapy for locally advanced rectal cancer	7
Clinical evaluation of modified invaginated pancreaticojejunostomy for pancreaticoduodenectomy	7
The accuracy and safety of CT-guided iodine-125 seed implantation assisted by 3D non-coplanar template for retroperitoneal recurrent carcinoma	7
Risk factors of distant metastasis after surgery among different breast cancer subtypes: a hospital-based study in Indonesia	7
Colon metastasis from hepatocellular carcinoma: a case report and literature review	7
Pre-colectomy location and TNM staging of colon cancer by the computed tomography colonography: a diagnostic performance study	7
Impact of prehabilitation during neoadjuvant chemotherapy and interval cytoreductive surgery on ovarian cancer patients: a pilot study	7
Reclassification of tumor size for solitary HBV-related hepatocellular carcinoma by minimum p value method: a large retrospective study	7
Breast myeloid sarcoma presenting as a palpable breast lump after allogeneic stem cell transplantation for acute myelomonocytic leukemia: a rare case report	7
Clinicopathologic predictors of central lymph node metastases in clinical node-negative papillary thyroid microcarcinoma: a systematic review and meta-analysis	7
Predicting metachronous liver metastasis in patients with colorectal cancer: development and assessment of a new nomogram	7
Locally advanced rectal cancer receiving total neoadjuvant therapy combined with nivolumab: a case report and literature review	7
Direct comparison of magnetic resonance imaging and pathological shrinkage patterns of triple-negative breast cancer after neoadjuvant chemotherapy	7
Construction of prognostic predictor by comprehensive analyzing alternative splicing events for colon adenocarcinoma	7
A novel prognostic model based on epithelial-mesenchymal transition-related genes predicts patient survival in gastric cancer	7
Correlation analysis between preoperative systemic immune inflammation index and prognosis of patients after radical gastric cancer surgery: based on propensity score matching method	7
miR-495-3p depresses cell proliferation and migration by downregulating HMGB1 in colorectal cancer	7
Prediction of overall survival based upon a new ferroptosis-related gene signature in patients with clear cell renal cell carcinoma	7
Treatment experience of delayed massive gastrointestinal bleeding caused by intra-abdominal arteriointestinal fistula in gastric cancer patients after radical gastrectomy	7
DPYSL2 as potential diagnostic and prognostic biomarker linked to immune infiltration in lung adenocarcinoma	7
Comparative efficacy of intraoperative extracorporeal irradiated and alcohol-inactivated autograft reimplantation for the management of osteosarcomas—a multicentre retrospective study	7
Multivisceral resection for adenocarcinoma of the pancreatic body and tail—a retrospective single-center analysis	7
A meta-analysis comparing hand-assisted laparoscopic right hemicolectomy and open right hemicolectomy for right-sided colon cancer	7
A reappraisal of lymph node dissection in colorectal cancer during primary surgical resection	7
A competing-risk nomogram to predict cause-specific death in elderly patients with colorectal cancer after surgery (especially for colon cancer)	7
Potential role of chimeric genes in pathway-related gene co-expression modules	7
ALKBH2 inhibition alleviates malignancy in colorectal cancer by regulating BMI1-mediated activation of NF-κB pathway	7
Development of prognosis model for colon cancer based on autophagy-related genes	7
Do carbon nanoparticles really improve thyroid cancer surgery? A retrospective analysis of real-world data	7
PSMC2 is overexpressed in glioma and promotes proliferation and anti-apoptosis of glioma cells	6
Predictive role of ferroptosis-related long non-coding RNAs in bladder cancer and their association with immune microenvironment and immunotherapy response	6
Identification of a novel glycolysis-related signature to predict the prognosis of patients with breast cancer	6
Thirty-three long-term survivors after cytoreductive surgery in patients with peritoneal metastases from colorectal cancer: a retrospective descriptive study	6
Relationship between S100A4 protein expression and pre-operative serum CA19.9 levels in pancreatic carcinoma and its prognostic significance	6
Initial experience of complete laparoscopic radical nephroureterectomy combined with transvesical laparoscopic excision of distal ureter in patients with upper urinary tract cancer	6
The clinical significance of preoperative plasma fibrinogen levels and platelet counts in resectable colon cancer	6
Readmissions after cytoreductive surgery and hyperthermic intraperitoneal chemotherapy—a national population-based study	6
Associations between twelve common gene polymorphisms and susceptibility to hepatocellular carcinoma: evidence from a meta-analysis	6
Impact of positive surgical margin location and perineural invasion on biochemical recurrence in patients undergoing radical prostatectomy	6
The prognostic role of tumor size in stage T1 gastric cancer	6
The lack of selection criteria for surgery in patients with non-colorectal non-neuroendocrine liver metastases	6
Prognostic impact of lymph node parameters in distal cholangiocarcinoma after pancreaticoduodenectomy	6
Preliminary outcomes of raltitrexed eluting bead-transarterial chemoembolization using Callispheres® beads for gastrointestinal adenocarcinoma liver metastasis	6
Segmental artery clamping versus main renal artery clamping in nephron-sparing surgery: updated meta-analysis	6
Liver resection for colorectal liver-limited metastases in elderly patients: a propensity score matching analysis	6
Impact of skeletal muscle mass in patients with recurrent gastric cancer	6
CircLRP6 contributes to prostate cancer growth and metastasis by binding to miR-330-5p to up-regulate NRBP1	6
Association of gravity drainage and complications following Whipple: an analysis of the ACS-NSQIP targeted database	6
Right-side versus left-side hepatectomy for the treatment of hilar cholangiocarcinoma: a comparative study	6
Relationship of ALDH2 rs671 and CYP2E1 rs2031920 with hepatocellular carcinoma susceptibility in East Asians: a meta-analysis	6
Loss of survival advantage for deficient mismatch repair in patients with advanced colorectal cancer may be caused by changes in prognostic value of CD8+T cell	6
Cowden syndrome is a risk factor for multiple neoplasm: a case report	6
Lower mutant-allele tumor heterogeneity is a biomarker in FGFR3-mutant bladder cancer for better prognosis	6
Surgical treatment and long-term outcomes of low-grade myofibroblastic sarcoma: a single-center case series of 15 patients	6
Early oral feeding is safe and useful after rectosigmoid resection with anastomosis during cytoreductive surgery for primary ovarian cancer	6
COX-2 gene rs689466 polymorphism is associated with increased risk of colorectal cancer among Caucasians: a meta-analysis	6
Classification of colorectal carcinoma subtypes based on ferroptosis-associated molecular markers	6
A comprehensive study on the oncogenic mutation and molecular pathology in Chinese lung adenocarcinoma patients	6
Pathologically confirmed brain metastases from primary uterine cervical tumors: two cases and a literature review	6
Katanin P60: a potential biomarker for lymph node metastasis and prognosis for non-small cell lung cancer	6
The prognostic capacities of CBP and p300 in locally advanced rectal cancer	6
Caring for cancer patients in the Covid pandemic: choosing between the devil and deep sea	6
CircASXL1 knockdown represses the progression of colorectal cancer by downregulating GRIK3 expression by sponging miR-1205	6
Overview of the pre-clinical and clinical studies about the use of CAR-T cell therapy of cancer combined with oncolytic viruses	6
Neoadjuvant chemotherapy followed by hyperthermic intraperitoneal chemotherapy for patients with colorectal peritoneal metastasis: a retrospective study of its safety and efficacy	6
Endoscopic radial incision method for two strictures of the esophagus after endoscopic submucosal dissection: a case report	6
Prognostic value and risk stratification of residual disease in patients with incidental gallbladder cancer	6
Modified reverse-puncture anastomotic technique vs. traditional technique for total minimally invasive Ivor-Lewis esophagectomy	6
Postoperative C-reactive protein kinetics predict postoperative complications in patients treated with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for peritoneal carcinomatosis	6
Screening and analysis of RNAs associated with activated memory CD4 and CD8 T cells in liver cancer	6
NUT midline carcinoma in a young pregnant female: a case report	6
Oncological safety of immediate breast reconstruction with skin- or nipple-sparing mastectomy: the value of tumor-to-dermis distance measured by preoperative ultrasonography	6
Radiofrequency ablation versus repeat hepatectomy in the treatment of recurrent hepatocellular carcinoma in subcapsular location: a retrospective cohort study	6
Large intraperitoneal lipoleiomyoma in a pre-menopausal woman: a case report	6
Short- and long-term outcomes of surgery for colorectal and non-colorectal liver metastasis: a report from a single center in the Baltic country	6
Lymph node metastasis pattern and significance of left gastric artery lymph node dissection in esophagectomy for esophageal cancers	6
Sarcomatoid carcinoma of the pancreas with rare long-term survival: a case report	6
Clinical outcomes of chondroblastoma treated using synthetic bone substitute: risk factors for developing radiographic joint degeneration	6
Cessation of methotrexate and a small intestinal resection provide a good clinical course for a patient with a jejunum perforation induced by a methotrexate-associated lymphoproliferative disorder: a	6
Prognostic and clinicopathological importance of microRNA-140 expression in cancer patients: a meta-analysis	6
A novel skin-stretching device for closing large skin-soft tissue defects after soft tissue sarcoma resection	6
Efficacy and clinical outcome of the port-a-cath in children: a tertiary care-center experience	6
MiR-186-3p attenuates tumorigenesis of cervical cancer by targeting IGF1	6
Clinical benefits of adjuvant chemotherapy with carboplatin and gemcitabine in patients with non-small cell lung cancer: a single-center retrospective study	6
Laennec’s approach for laparoscopic anatomical hemihepatectomy	6
UCHL1 acts as a potential oncogene and affects sensitivity of common anti-tumor drugs in lung adenocarcinoma	6
Accurate prediction of microvascular invasion occurrence and effective prognostic estimation for patients with hepatocellular carcinoma after radical surgical treatment	6
Identification of a TGF-β signaling-related gene signature for prediction of immunotherapy and targeted therapy for lung adenocarcinoma	6
Left-side vs. right-side hepatectomy for hilar cholangiocarcinoma: a meta-analysis	6
Safety and feasibility of total laparoscopic radical resection of Siewert type II gastroesophageal junction adenocarcinoma through the left diaphragm and left thoracic auxiliary hole	6
Comparison between signet-ring cell carcinoma and non-signet-ring cell carcinoma of the stomach: clinicopathological parameters, epidemiological data, outcome, and prognosis—a cohort study of 123 pati	6
The pathological features and prognoses of intraductal papillary mucinous neoplasm and mucinous cystic neoplasm after surgical resection: a single institution series	6
Two-step cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for pseudomyxoma peritonei with high peritoneal carcinomatosis index	6
Feasibility and outcomes of ERAS protocol in elective cT4 colorectal cancer patients: results from a single-center retrospective cohort study	6
miRNA-214-5p inhibits prostate cancer cell proliferation by targeting SOX4	6
Identification and validation of an immune-associated RNA-binding proteins signature to predict clinical outcomes and therapeutic responses in colon cancer patients	6
Imaging surveillance for the detection of ipsilateral local tumor recurrence in patients who underwent oncoplastic breast-conserving surgery with acellular dermal matrix: abbreviated MRI versus conven	6
Exploring the influencing factors of the pathologic complete response in estrogen receptor-positive, HER2-negative breast cancer after neoadjuvant chemotherapy: a retrospective study	6
FoXA2 promotes esophageal squamous cell carcinoma progression by ZEB2 activation	6
The value of restaging CT following neoadjuvant chemotherapy for resectable gastric cancer. A population-based study	6
Is left-sided involvement of hepatocellular carcinoma an important preoperative predictive factor of poor outcome?	6