OOIR: Observatory of International Research

Papers

(The TQCC of Acta Oncologica is 6. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
Temporal changes in childhood cancer incidence and survival by stage at diagnosis in Australia, 2000–2017	64
Adjuvant and first-line palliative chemotherapy regimens in patients diagnosed with periampullary cancer: a short report from a nationwide registry	26
ctDNA-guided adjuvant treatment after radical-intent treatment of metastatic spread from colorectal cancer—the first interim results from the OPTIMISE study	25
A study of microRNAs as new prognostic biomarkers in anal cancer patients	25
Evaluation of in vitro irradiation setup: Designed for the horizontal beamline at the Danish Centre for Particle Therapy	24
Extensive genomic analysis in patients with KRAS-mutated solid tumors shows high frequencies of concurrent alterations and potential targets but has limited clinical impact	23
Use of PD-1 inhibitors in patients with end-stage renal disease: safety and clinical outcomes from real-world data	21
Malignancy rates of salivary gland tumors in Greenlandic Inuit comparable to non-endemic populations; epidemiological mapping of salivary gland tumors 1990–2019	20
Corrigendum: Surgical decision-making following neoadjuvant immunotherapy for dMMR rectal cancer; case reports and review of the literature	20
Benefit finding, posttraumatic growth and health-related quality of life in long-term cancer survivors: a prospective population-based study	19
Capecitabine monotherapy as first-line treatment in advanced HER2-normal breast cancer – a nationwide, retrospective study	19
Outcome in PCNSL patients and its association with PD-L1+ leukocytes in the tumor microenvironment	19
Methylphenidate for treating fatigue in palliative cancer care – effect and side effects in real-world data from a palliative care unit	18
Real-world evidence on perioperative chemotherapy in localized soft tissue sarcoma of the extremities and trunk wall; a population-based study	18
Health-Related Quality of Life in Danish Cancer Survivors Referred to a Late Effects Clinic: A Prospective Cohort Study	17
Prediction of plan adaptation in head and neck cancer proton therapy using clinical, radiographic, and dosimetric features	17
The first decade of the Danish Palliative Care Database: improvements and ongoing challenges in the quality and use of specialised palliative care	16
Age-specific incidence, treatment, and survival trends in esophageal cancer: a Dutch population-based cohort study	15
Hybrid planning techniques for early-stage left-sided breast cancer: dose distribution analysis and estimation of projected secondary cancer-relative risk	15
Socioeconomic inequality in cancer in the Nordic countries. A systematic review	15
Influence of radiotherapy technique on incidental dose to the whole ventricular system in focal irradiation of nongerminomatous germcell tumours	15
Dosimetric predictors of acute bowel toxicity after Stereotactic Body Radiotherapy (SBRT) in the definitive treatment of localized prostate cancer	15
The effect of tinzaparin on biomarkers in FIGO stages III-IV ovarian cancer patients undergoing neoadjuvant chemotherapy – the TABANETOC trial: study protocol for a randomized clinical multicenter tri	15
Use of 5α-reductase inhibitors and survival of oesophageal and gastric cancer in a nationwide Swedish cohort study	15
Swallowing sparing intensity modulated radiotherapy versus standard parotid sparing intensity-modulated radiotherapy for treatment of head and neck cancer: a randomized clinical trial	14

Annual surgeon and hospital volume of gastrectomy and gastric adenocarcinoma survival in a population-based cohort study	14
Long-term characterization of MRI-morphologic alterations after active motion-compensated liver SBRT: a multi-institutional pooled analysis	14
Clinical implication of genetic intratumor heterogeneity for targeted therapy in head and neck cancer	14
Socioeconomic position and the pre-diagnostic interval among patients diagnosed with head and neck squamous cell carcinoma - a population-based study from DAHANCA	14
Script-based automatic radiotherapy planning for cervical cancer	14
Complications after proton radiotherapy in children, focusing on severe late complications. A complete Swedish cohort 2008–2019	14
Unchanged perfusion in normal-appearing white and grey matter of glioma patients nine months after proton beam irradiation	13
Evaluation of statin use and renal cell carcinoma risk identifies sex-specific associations with RCC subtypes	13
Carbon-fiber alternative to the commercial gating surrogate for the Varian Truebeam™	13
Unusual cases of sinonasal malignancies: a letter to the editor on HPV-positive sinonasal squamous cell carcinomas	13
Survival benefit of prophylactic cranial irradiation in limited-stage small-cell lung cancer in modern magnetic resonance imaging staging: a systematic review and meta-analysis	13
Re: Thyroid hypofunction in aging testicular cancer survivors by Nome et al.	12
The evolution of precision oncology: The ongoing impact of the Drug Rediscovery Protocol (DRUP)	12
Pharmacogenomics guided dosing for fluoropyrimidine and irinotecan chemotherapies for patients with cancer (PACIFIC-PGx): study protocol of a multicentre clinical trial	12
Volumetric changes of the parotid gland during IMRT based on mid-treatment imaging: implications for parotid stem cell sparing strategies in head and neck cancer	12
Influence of various assumptions for the individual TNM components on the TNM stage using Nordic cancer registry data	12
When breast cancer comes to the ICU: outcomes and prognostic factors	12
Post radiation mucosal ulcer risk after a hypofractionated stereotactic boost and conventional fractionated radiotherapy for oropharyngeal carcinoma	12
Splenectomised Hodgkin lymphoma patients: does severe pneumococcal disease pose a problem today and what is the best long-term strategy?	12
The national incidence of chondrosarcoma of bone; a review	12
Evaluation of sex inequity in lung-cancer-specific survival	12
Mandible osteoradionecrosis after high-dose radiation therapy for head and neck cancers: risk factors and dosimetric analysis	11
Testosterone replacement therapy is not associated with increased prostate cancer incidence, prostate cancer-specific, or cardiovascular disease-specific mortality in Finnish men	11
A prospective, multicenter, noninterventional study of decision factors in the first-line treatment of metastatic non–small cell lung cancer	11
Treatment-related mortality among children with cancer in Denmark during 2001-2021	11
The impact of short-course hypofractionated radiotherapy on multimodality treatment utilisation, compliance, and outcome in glioblastoma patients: a Danish patterns of care study	11
Patient-reported outcomes after curative treatment for prostate cancer with prostatectomy, primary radiotherapy or salvage radiotherapy	11
Desmoplastic non-infantile ganglioglioma mimicking diffuse leptomeningeal glioneuronal tumor: precision diagnostics and therapeutic implications	11
Statin therapy and anthracycline-related cardiac dysfunction: a meta-analysis of randomized clinical trials	11
CRCBaSe: a Swedish register-based resource for colorectal adenocarcinoma research	11
Factors predicting long-term physical activity of breast cancer survivors. 5-year-follow-up of the BREX exercise intervention study	11
Gender Difference in sidE eFfects of ImmuNotherapy: a possible clue to optimize cancEr tReatment (G-DEFINER): study protocol of an observational prospective multicenter study	11
Should adjuvant radiotherapy be used in atypical meningioma (WHO grade 2) following gross total resection? A systematic review and Meta-analysis	10
Anal cancer in Sweden 2015–2019. Implementation of guidelines, structural changes, national registry and early results	10
Reduction of elective lymph node volume in radiotherapy of early anal squamous cell cancer: a comparative study between two Swedish university hospitals	10
Diffusion tensor imaging in glioblastoma patients treated with volumetric modulated arc radiotherapy: a longitudinal study	10
The first direct method of spot sparsity optimization for proton arc therapy	10
Are education and cohabitation associated with health-related quality of life and self-management during breast cancer follow-up? A longitudinal study	10
Cardiac conduction system exposure with modern radiotherapy techniques for mediastinal Hodgkin lymphoma irradiation	10
Initial investigation of using Norwegian health data for the purpose of external comparator arms - an example for non-small cell lung cancer	10
Proton range uncertainty caused by synthetic computed tomography generated with deep learning from pelvic magnetic resonance imaging	10
Molecular analysis and favorable clinical outcomes in real-world patients with metastatic renal cell carcinoma	9
Treatment patterns, survival, and healthcare utilisation and costs in patients with locally advanced and metastatic bladder cancer in Denmark 2015–2020	9
A national repository of complete radiotherapy plans: design, Results, and experiences	9
An experimental setup for proton irradiation of a murine leg model for radiobiological studies	9
Diet and bowel symptoms among colon cancer survivors	9
Geriatric assessment and treatment outcomes in a Dutch cohort of older patients with potentially curable esophageal cancer	9
Multi-center comparison between proton and photon plans for mediastinal lymphomas	9
Hormone receptor mRNA and protein levels as predictors of premenopausal tamoxifen benefit	9
Psychobiological stress response to a lung cancer diagnosis: a prospective study of patients in Iceland and Sweden	9

Current treatment landscape of HR+/HER2− advanced breast cancer in the Nordics: a modified Delphi study	9
Management and outcomes after neoadjuvant treatment for locally advanced breast cancer in older versus younger women	9
Protontherapy to maintain local control of head and neck paragangliomas	9
Severity and 90-day survival of SARS-CoV-2 infection among patients with haematological disorders	9
Large scale experience of two ultrahypofractionated 5 fractions regimes after breast conserving surgery from a single centre	9
Laryngeal cancer relative survival trends from 1972 to 2021 in the Nordic countries	9
Advanced cancer and concomitant dementia: access to specialized palliative care, emergency room, hospital care, and place of death	8
Changing before we have to; how to mitigate disparities in pancreatic cancer care?	8
Predictive value of micro-RNA expression profiling in pediatric desmoid fibromatosis	8
Brain radiotherapy in patients treated for a newly diagnosed primary central nervous system lymphoma: professional practice evaluation in 19 French centers	8
Comparison of different 2D muscle indexes measured at the level of the 3rd lumbar vertebra in survival prediction in patients with renal cell carcinoma	8
Interventions for work participation of unemployed or work-disabled cancer survivors: a systematic review	8
Impact of stereotactic body radiotherapy (SBRT) in oligoprogressive metastatic disease	8
The risk of radiation-induced neurocognitive impairment and the impact of sparing the hippocampus during pediatric proton cranial irradiation	8
Impact of previous depression on the risk of suicide among prostate cancer patients	8
Cancer in young adulthood – classifying the intensity of treatment	8
A cohort study of COVID-19 infection in pediatric oncology patients plus the utility and safety of remdesivir treatment	8
Dosimetric effects of respiratory motion during stereotactic body radiation therapy of lung tumors	8
C-reactive protein and immune-related adverse events as prognostic biomarkers in immune checkpoint inhibitor treated metastatic renal cell carcinoma patients	8
Impact on Health-Related quality of life after wearing compression garment or not for six months in women with mild breast cancer-related arm lymphedema. A cross-sectional study	8
Physical and psychological symptom burden in patients and caregivers during follow-up care after curative surgery for cancers in the pancreas, bile ducts or duodenum	8
Pilot implementation of MiLES: a web-based intervention targeted at managers with the aim of enhancing the successful return to work of employees with cancer	8
Association between menopausal hormone therapy use and mortality risk: a Swedish population-based matched cohort study	8
Uncommon metachronous multiple sites recurrences of metastatic osteosarcoma cured by surgery: a case report	8
Prospective randomised phase II trial evaluating adjuvant pelvic radiotherapy using either IMRT or 3-Dimensional planning for endometrial cancer	7
Lung cancer registries in Denmark, Finland, Norway and Sweden: a comparison and proposal for harmonization	7
Quality of life and mental health in real-world patients with resected stage III/IV melanoma receiving adjuvant immunotherapy	7
The ultimate local failure rate after the watch-and-wait strategy for rectal cancer: a systematic review of literature and meta-analysis	7
Classification of laterality and mastectomy/lumpectomy for breast cancer patients for improved performance of deep learning auto segmentation	7
Cardiovascular risk factors, radiation therapy, and myocardial infarction among lymphoma survivors	7
Bone versus soft-tissue setup in proton therapy for patients with oesophageal cancer	7
FOLFIRI in advanced platinum-resistant/refractory small-cell lung cancer: a retrospective study	7
Digital solution in the follow-up of early breast cancer a randomized study	7
Experimental validation of a novel method of dose accumulation for the rectum	7
Perceived burden and need for support among caregivers of cancer patients	7
Cancer in the Faroe Islands from 1960-2019 – incidence, mortality, and comparisons with the other Nordic countries	7
Impact of the COVID-19 pandemic on number and stages of tumors – data of a German cancer registry	7
Acute normal tissue responses in a murine model following fractionated irradiation of the head and neck with protons or X-rays	7
Work and education interruption in long-term Hodgkin lymphoma survivors: an analysis among patients from nine EORTC-LYSA trials	7
Commentary to ‘Incidence of vestibular schwannoma in Finland, 1990–2017’ Pediatric vestibular schwannomas: an overlooked epidemiological aspect?	7
Base of tongue squamous cell carcinomas, outcome depending on treatment strategy and p16 status. A population-based study from the Swedish Head and Neck Cancer Register	7
Importance of tumor volume, overall treatment time and fractionation sensitivity for p16-positive and p16-negative oropharyngeal tumors	7
Patient-centered development ofEmbrace Pain: an online acceptance and commitment therapy intervention for cancer survivors with chronic painful chemotherapy-induced peripheral neuropathy	7
5-Year survival in Danish patients with advanced non-small cell lung cancer treated with immune checkpoint inhibitor monotherapy	7
Circulating tumor DNA (ctDNA) in adjuvant therapy of early stage colon cancer: current status and future perspectives	7
Time on treatment with abiraterone in men with de novo metastatic castration sensitive prostate cancer: a drug utilization study	6
Referral patterns of GIST patients: data from a nationwide study	6
Hot dots – which nodes should be removed in sentinel lymph node biopsy for melanoma?	6
Outcomes of fractionated CyberKnife radiosurgery in patients with choroidal malignant melanoma	6
Oligoscore: a clinical score to predict overall survival in patients with oligometastatic disease treated with stereotactic body radiotherapy	6
Association of patient-reported pain with survival in bladder cancer: a post-hoc analysis of the iBLAD trial	6
Cluster model incorporating heterogeneous dose distribution of partial parotid irradiation for radiotherapy induced xerostomia prediction with machine learning methods	6
High levels of health-related quality of life five years after curative treatment of prostate cancer with HDR-brachytherapy and external beam radiation	6
Diagnosis and treatment of breast cancer in Denmark during the COVID-19 pandemic: a nationwide population-based study	6
Early intervention with compression garments prevents progression in mild breast cancer-related arm lymphedema: a randomized controlled trial	6
Electron beam radiotherapy for the management of squamous cell carcinoma of the anal margin	6
Sexually transmitted diseases in cancer patients diagnosed under the age of 20 years – a national registry-based cohort study from Finland	6
The iBLAD app protocol – a national, exploratory study on a multimodality smartphone app in bladder cancer for better understanding symptoms, quality of life and need for supportive care	6
The booster dose of BNT162b2 mRNA vaccine in patients after hematopoietic stem cell transplantation: humoral and clinical response and serological conversion predictors	6
The impact of baseline health factors on second primary cancer risk after radiotherapy for prostate cancer	6
Patient-reported lower limb edema after primary radiotherapy for prostate cancer	6
Progress against lung cancer, Denmark, 2008–2022	6
Markers of tumor inflammation as prognostic factors for overall survival in patients with advanced pancreatic cancer receiving first-line FOLFIRINOX chemotherapy	6
Multimodal prehabilitation in elective oncological colorectal surgery enhances preoperative physical fitness: a single center prospective real-world data analysis	6
Discontinuation of imatinib in patients with oligometastatic gastrointestinal stromal tumour who are in complete radiological remission: a prospective multicentre phase II study	6
The influence of radiation dose on taste impairment in a prospective observational study cohort of oropharyngeal cancer patients	6
Reply to Assoc. Prof. Kocak	6
The potential for local ablative therapy of oligometastases in head and neck squamous cell carcinoma: a real-world data analysis	6
Societal costs of ovarian cancer in a population-based cohort – a cost of illness analysis	6
Drop in cancer diagnosis during the COVID-19 pandemic in Denmark: assessment of impact during 2020	6
Predictive factors for prolonged sick leave in breast cancer patients treated with adjuvant therapies: a retrospective registry study	6
Sexual functioning, sexual enjoyment, and body image in Norwegian breast cancer survivors: a 12-year longitudinal follow-up study and comparison with the general female population	6
Neurotrophic tyrosine receptor kinase gene fusions in adult and pediatric patients with solid tumors: a clinicogenomic biobank and record linkage study of expression frequency and patient characterist	6