OOIR: Observatory of International Research

Papers

(The TQCC of Esophagus 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 2022-05-01 to 2026-05-01.)

Article	Citations
Role of modified Glasgow Prognostic Score in patients with achalasia who underwent laparoscopic Heller-myotomy with Dor-fundoplication	338
Clinical predictors of special type of esophageal cancer	151
Comprehensive registry of esophageal cancer in Japan, 2016	120
Tumor response and survival outcomes of salvage concurrent chemoradiotherapy with three-dimensional conformal radiotherapy and 5-fluorouracil/platinum-based chemotherapy for postoperative locoregional	80
Multicenter retrospective analysis of complications and risk factors in endoscopic resection for esophageal cancer across Japan	68
Current status of prehabilitation before esophagectomy for patients with esophageal cancer among board-certified hospitals by the Japan Esophageal Society	54
Effectiveness of postoperative rehabilitation after discharge in survivors of esophageal or gastroesophageal junction cancers: a systematic review	45
Modification of the lesser curvature incision line enhanced gastric conduit perfusion as determined by indocyanine green fluorescence imaging and decreased the incidence of anastomotic leakage followi	37
A nationwide survey on the safety of cricothyrotomy: a multicenter retrospective study in Japan	32
Novel endoscopic approaches using the endocytoscopy for the target biopsy in esophageal eosinophilia	29
The safety and short-term efficacy of nivolumab plus ipilimumab for advanced esophageal squamous cell carcinoma	29
Esophagectomy for esophageal cancer in patients with a history of total pharyngolaryngectomy: a Japanese nationwide retrospective cohort study	27
Safety and efficacy of endoscopic submucosal dissection for superficial esophageal cancer with esophageal varices	26
Conversion surgery following immunochemotherapy for initially unresectable/recurrent esophageal cancer	20
Comparison of anastomotic stricture rates between 23- and 25-mm powered circular staplers in cervical esophagogastric anastomosis: a propensity-matched study	19
Outcomes of patients with esophageal squamous cell carcinoma who achieved a pathological complete response in the primary lesion by neoadjuvant treatment: a Japanese nationwide cohort study	17
Treatment resistance factors associated with Talaporfin sodium photodynamic therapy for local control after chemoradiotherapy for esophageal cancer	16
Comparison of proton-based definitive chemoradiotherapy and surgery-based therapy for esophageal squamous cell carcinoma: a multi-center retrospective Japanese cohort study	16
The totally mechanical Collard technique for cervical esophagogastric anastomosis reduces anastomotic stricture compared with triangular anastomosis in minimally invasive esophagectomy with gastric co	15
Preoperative evaluation of oral hygiene may predict the overall survival of patients with esophageal cancer	15
Investigating the synergistic effects of immunochemotherapy in esophageal squamous cell carcinoma	15
Characteristics of multiple esophageal squamous cell carcinomas detected in the surveillance after endoscopic resection	13
Efficacy of sternocleidomastoid muscle flap in reducing anastomotic mediastinal/pleural cavity leak	13
Manometric esophagogastric junction barrier metrics as predictors of gastroesophageal reflux	13
Significance of dissection in each regional lymph-node station of esophageal cancer based on efficacy index and recurrence patterns after curative esophagectomy	13

Correlation of growth differentiation factor 15 level in esophageal cancer with cachectic indicators and postoperative infectious complication	12
First-line tislelizumab plus chemotherapy versus placebo plus chemotherapy in adults with advanced or metastatic esophageal squamous cell carcinoma: a Japanese subgroup analysis of RATIONALE-306 with	12
Effect of preserving the bronchial artery and the azygos arch in McKeown esophagectomy: a systematic review and meta‑analysis	12
The impact of time to postoperative recurrence on the prognosis of patients with esophageal cancer post recurrence: exploratory analysis of OGSG 1003	12
Prognostic value of 18F-fluorodeoxyglucose uptake in the bone marrow on pretreatment positron emission tomography/computed tomography in patients with esophageal cancer who underwent esophagectomy	11
Initial experiences of the transthoracic esophagectomy for esophageal cancer via intercostal approach with the single-port robotic surgical system	11
Early postoperative weight loss is associated with poor prognosis in patients with esophageal cancer	11
Low skeletal muscle mass contributes to the prognosis of patients with superficial esophageal cancer treated with definitive chemoradiotherapy	10
Prognostic impact of desmoplastic reaction in esophageal squamous cell carcinoma patients with neoadjuvant therapy	10
Prognostic impact of endoscopic response evaluation after neoadjuvant chemotherapy for esophageal squamous cell carcinoma: a nationwide validation study	10
Ramelteon and suvorexant for postoperative delirium in elderly patients with esophageal cancer	10
Additional treatment for esophageal cancer patients with incomplete resection due to the surrounding organ invasion: a nationwide survey of 45 Japanese centers	9
Estimation of esophageal involvement length in esophagogastric junction tumors using PET-CT	9
Rikkunshito attenuates nutritional decline and skeletal muscle loss during preoperative chemotherapy for esophageal cancer	9
Blown-out myotomy: emerging phenotype in post-myotomy failure after POEM and Heller myotomy	9
Comparison and validation of the Japanese classification 12th edition and American joint committee on cancer 8th edition on intrathoracic esophageal squamous cell carcinoma	9
A review of management of benign post-esophagectomy respiratory–digestive fistula in esophageal cancer in China	8
Achalasia: laparoscopic Heller myotomy with fundoplication versus peroral endoscopic myotomy—a systematic review and meta-analysis	8
Comparison of clinical and prognostic characteristics between superficial basaloid and conventional esophageal squamous carcinoma	8
Preoperative risk factors for postoperative physical frailty in patients with esophageal cancer: a scoping review	8
Efficacy of a novel small-caliber therapeutic endoscope in peroral endoscopic myotomy for esophageal motility disorders: a propensity score matching analysis	8
Embryological study of the development of thin membranous dense connective tissues around the esophagus using two fetal cadavers	8
Evaluating the discrepancies between evidence-based and community standard practices in the endoscopic diagnosis of esophageal squamous cell carcinoma: a survey study	8
Fistula closure technique using an esophageal stent and fixation method for gastrointestinal-airway fistula after esophageal cancer surgery	8
Effectiveness of taxanes following nivolumab in patients with advanced esophageal squamous cell carcinoma: a retrospective chart review of patients in ATTRACTION-3	8
HEYL-mediated activation of LAMA3 influences radiotherapy response in esophageal cancer	8
Proposal for T3 classification of esophagogastric junction carcinoma based on the interconnection of extramural anatomical structures	8
Distal esophageal wall thickness correlates with dysphagia in adult patients with eosinophilic esophagitis	7
Association of gastric myotomy length in peroral endoscopic myotomy (POEM) with gastro-esophageal junction distensibility measured by Endoluminal Functional Lumen Imaging Probe (EndoFLIP)	7
Efficacy of combined use of magnifying narrow-band imaging/blue laser imaging and Lugol chromoendoscopy for tumor extent delineation in esophageal squamous cell carcinoma	7
First-line pembrolizumab plus chemotherapy for advanced/metastatic esophageal cancer: 1-year extended follow-up in the Japanese subgroup of the phase 3 KEYNOTE-590 study	7
A phase II study of S-1 therapy for patients with advanced and recurrent esophageal cancer resistant or intolerable to fluorouracil, platinum, and taxane therapy (OGSG 1404)	7
Phase II study of BKM120 in patients with advanced esophageal squamous cell carcinoma (EPOC1303)	7
Usefulness of endoscopic ultrasound in predicting treatment efficacy of salvage endoscopic therapy for local failure after chemoradiotherapy for esophageal squamous cell carcinoma	7
Esophageal cancer practice guidelines 2022 edited by the Japan esophageal society: part 1	7
Risk of fractures in individuals with eosinophilic esophagitis: nationwide population-based cohort study	7
Refining postoperative monitoring of recurrent laryngeal nerve injury in esophagectomy patients through transcutaneous laryngeal ultrasonography	7
Risk factors for upper extremity deep vein thrombosis after esophagectomy for esophageal cancer in retrosternal reconstruction	7
Critical swallowing functions contributing to dysphagia in patients with recurrent laryngeal nerve paralysis after esophagectomy	6
The relationship between the esophageal endoscopic submucosal dissection technical difficulty and its intraoperative process	6
Handgrip strength predicts early postoperative dysphagia after thoracoscopic–laparoscopic esophagectomy in male patients with esophageal cancer	6
Does chemotherapy regimen matter for first-line immunochemotherapy in low PD-L1-expressing esophageal squamous cell carcinoma? A systemic review and meta-analysis	6
Predictors of technical difficulty for trainees in esophageal endoscopic submucosal dissection	6
Feasibility and safety of endoscopic submucosal dissection for superficial cancer of the remnant esophagus after esophagectomy	6
Community standard practices in the endoscopic treatment of esophageal squamous cell carcinoma: a nationwide survey in Japan	6
Correction: Comparison of proton-based Definitive chemoradiotherapy and surgery-based therapy for esophageal squamous cell carcinoma: a multi-center retrospective Japanese cohort study	6
Oral metronomic chemotherapy after definitive chemoradiation in esophageal squamous cell carcinoma: a randomized clinical trial	6
Relationship between gut microbiome Fusobacterium nucleatum and LINE-1 methylation level in esophageal cancer	6