Abstract
BackgroundThe registration committee for esophageal cancer in the Japan Esophageal Society (JES) has collected the patients' characteristics, treatment, and outcomes annually.MethodsWe analyzed the data of patients who had visited the participating hospitals in 2014. We collected the data with a web-based data collection system using the National Clinical Database. We used the Japanese Classification of Esophageal Cancer 10th edition by JES and the TNM classification 7th edition by the Union of International Cancer Control (UICC) for cancer staging.ResultsA total of 9026 cases were registered from 344 institutions in Japan. Squamous cell carcinoma and adenocarcinoma accounted for 87.9% and 7.1%, respectively. The 5-year survival rates of patients treated using endoscopic resection, concurrent chemoradiotherapy, radiotherapy alone, and esophagectomy were 87.1%, 33.7%, 25.3%, and 59.3%, respectively. Esophagectomy was performed in 5204 cases. Concerning the approach used for esophagectomy, 48.1% of the cases were treated thoracoscopically. The operative mortality (within 30 days after surgery) was 0.75%, and the hospital mortality was 2.0%. The survival curves showed an excellent discriminatory ability both in the clinical and pathologic stages by the JES system. The survival of pStage IV was better than IIIC in the UICC system, because pStage IV included the patients with supraclavicular lymph-node metastasis (M1 LYM).ConclusionWe hope that this report contributes to improving all aspects of diagnosing and treating esophageal cancer in Japan.
Highlights
The registration committee for esophageal cancer in the Japan Esophageal Society (JES) has collected the patients' characteristics, treatment, and outcomes annually
We briefly summarized the Comprehensive Registry of Esophageal Cancer in Japan, 2014
The endoscopic submucosal dissection accounted for 92.6% of endoscopic resection
Summary
Institutions Toyota Memorial Hospital Tsuchiura Kyodo Hospital Tsukuba University Hospital Tsuruoka Municipal Shonal Hospital University Hospital, Kyoto Prefectural University of Medicine University of the Ryukyus Hospital Wakayama Medical University Hospital Yamagata Prefectural Central Hospital Yamagata University Hospital Yamaguchi University Hospital Yamanashi Prefectural Central Hospital Yamanashi University Hospital Yao Municipal Hospital Yokkaichi Hospital Yokohama City Municipal Hospital Yokohama City University Hospital Yokohama City University Medical Center Yonezawa City Hospital Yuai Memorial Hospital (Total 344 institutions).
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