1. Department of Therapeutic Oncology, Graduate School of Medicine Kyoto University Kyoto Japan
2. Center for Genomic Medicine, Graduate School of Medicine Kyoto University Kyoto Japan
3. Gastrointestinal Cancer Center Sano Hospital Kobe Japan
4. Department of Surgery, Gastrointestinal Center Kyoto Katsura Hospital Kyoto Japan
5. Department of Surgery Osaka Rosai Hospital Osaka Japan
6. Department of Surgery Hakodate Goryoukaku Hospital Hakodate Japan
7. Department of Surgery Fukui Ken Saiseikai Hospital Fukui Japan
8. Department of Surgery Kansai Rosai Hospital Amagasaki Japan
9. Department of Gastroenterology Tsuchiura Kyodo General Hospital Ibaraki Japan
10. Department of Surgery Nakagami Hospital Okinawa Japan
11. Department of Gastroenterological Surgery Aichi Cancer Center Aichi Hospital Okazaki Japan
12. Division of Clinical Oncology Hiroshima Prefectural Hospital Hiroshima Japan
13. Department of Real World Data Research and Development Graduate School of Medicine, Kyoto University Kyoto Japan
14. Department of Gastroenterological Surgery Osaka University Graduate School of Medicine Osaka Japan
15. Tokai University School of Medicine Isehara Japan
16. Japanese Foundation for Multidisciplinary Treatment of Cancer Tokyo Japan
17. Tokai Central Hospital Kakamigahara Japan
18. Department of Gastroenterology and Gastrointestinal Oncology National Cancer Center Hospital East Chiba Japan