OA06-LBA01.3. Real-World Survival Outcomes of Mediastinoscopic Esophagectomy for Thoracic Esophageal Cancer: A Multicenter Retrospective Study in Japan

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ID: 325894
2026
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Ranked #201 of 453 articles by views in diseases of the esophagus : official journal of the international society for diseases of the esophagus

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Abstract
Abstract Topic Esophageal Cancer: Surgical Treatment of Esophageal Cancer – long term outcomes Background With advances in endoscopic surgery, mediastinoscopic radical esophagectomy has become feasible, but remains less widely adopted than the transthoracic approach. Institutional experience and surgical indications vary, and long-term outcomes are unclear. This study evaluates real-world practice in Japan, including survival outcomes. Methods We conducted a multicenter retrospective observational study of patients who underwent mediastinoscopic esophagectomy between 2019 and 2021. Eligible patients had resectable thoracic esophageal cancer and underwent one-stage resection and reconstruction with lymph node dissection including the upper mediastinum. Salvage cases and R2 resections were excluded. Clinicopathological characteristics, perioperative outcomes including complications, and overall survival (OS) and recurrence-free survival (RFS) were analyzed. Results A total of 392 patients from 10 institutions were analyzed. Seven institutions (357 cases) used mediastinoscopy as a standard approach. The median age was 70 years, with 314 males and 78 females. ASA-PS classification was I/II/III in 58/272/62 patients. Squamous cell carcinoma accounted for 348 cases (88.8%). Tumor location (Ut/Mt/Lt) was 66/161/165 cases. Clinical stage (I/II/III/IV) was 120/109/129/34 cases. Two-field and three-field lymphadenectomy were performed in 250 and 142 cases, respectively. Median operative time was 405 minutes, median blood loss was 140 mL, and median number of retrieved lymph nodes was 44. R0 resection rate was 95.2%, and conversion to thoracotomy occurred in 1.3%. The rates of anastomotic leakage, pneumonia, and recurrent laryngeal nerve palsy were 14.0%, 11.5%, and 36.7%, respectively. In-hospital mortality was 0.51%. Three-year OS and RFS were 79.0% and 61.2%, respectively. Conclusion Although surgical experience, learning curves, and indications varied among institutions, mediastinoscopic esophagectomy was performed safely. The long-term outcomes appear to be comparable to those of transthoracic minimally invasive esophagectomy.
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Authors Hitoshi Fujiwara, Atsushi Shiozaki, Yasuyuki Seto, Koichi Yagi, Koichi Ogawa, Tomotaka Shibata, Shuhei Komatsu, Takashi Mitsui, Kazuhiko Mori, Hiroyuki Daiko, Masayuki Watanabe, Takeo Fujita
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Journal diseases of the esophagus : official journal of the international society for diseases of the esophagus
Year 2026
DOI
10.1093/dote/doag077.044
URL
https://doi.org/10.1093/dote/doag077.044
Keywords Keywords not found

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