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Esophagus. 2021 Sep 22; doi: 10.1007/s10388-021-00879-1. Epub 2021 Sep 22.

Comprehensive registry of esophageal cancer in Japan, 2014.

Esophagus : official journal of the Japan Esophageal Society

Masayuki Watanabe, Yasushi Toh, Ryu Ishihara, Koji Kono, Hisahiro Matsubara, Kentaro Murakami, Kei Muro, Hodaka Numasaki, Tsuneo Oyama, Soji Ozawa, Hiroshi Saeki, Koji Tanaka, Takahiro Tsushima, Masaki Ueno, Takashi Uno, Toshiyuki Yoshio, Shiyori Usune, Arata Takahashi, Hiroaki Miyata,

Affiliations

  1. Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan. [email protected].
  2. Department of Gastroenterological Surgery, National Hospital Organization Kyushu Cancer Center, 3-1-1 Notame, Minami-ku, Fukuoka, 811-1395, Japan.
  3. Department of Gastrointestinal Oncology, Osaka International Cancer Institute, 3-1-69 Otemae, Chuo-ku, Osaka, 541-8567, Japan.
  4. Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, 960-1295, Japan.
  5. Department of Frontier Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan.
  6. Department of Clinical Oncology, Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-ku, Nagoya, 464-8681, Japan.
  7. Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, 565-0871, Japan.
  8. Department of Endoscopy, Saku Central Hospital Advanced Care Center, 3400-28 Nakagomi, Saku, 385-0051, Japan.
  9. Department of Gastroenterological Surgery, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Japan.
  10. Department of General Surgical Science, Graduate School of Medicine, Gunma University, 3-39-22 Showa-machi, Maebashi, 371-8511, Japan.
  11. Department Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, 565-0871, Japan.
  12. Division of Gastroenterological Oncology, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8777, Japan.
  13. Department of Gastroenterological Surgery, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan.
  14. Department of Diagnostic Radiology and Radiation Oncology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan.
  15. Department of Upper Gastrointestinal Medicine, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan.
  16. Department of Healthcare Quality Assessment, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.

PMID: 34550491 DOI: 10.1007/s10388-021-00879-1

Abstract

BACKGROUND: The registration committee for esophageal cancer in the Japan Esophageal Society (JES) has collected the patients' characteristics, treatment, and outcomes annually.

METHODS: We 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.

RESULTS: A 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).

CONCLUSION: We hope that this report contributes to improving all aspects of diagnosing and treating esophageal cancer in Japan.

© 2021. The Author(s).

Keywords: Chemoradiotherapy; Chemotherapy; Endoscopic resection; Esophageal cancer; Esophagectomy; Radiotherapy

References

  1. Japan Esophageal Society. Japanese classification of esophageal cancer, 10th edition: part 1. Esophagus. 2009;6:1–25. - PubMed
  2. Sobin LH, Gospodarowicz MK, Wittekind C. UICC International Union Against Cancer TNM classification of malignant tumors. 7th ed. New York: Wiley-Blackwell; 2009. - PubMed

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