1. Department of Gastrointestinal Oncology Shizuoka Cancer Center Shizuoka Japan
2. Department of Medical Oncology, Faculty of Medicine Kyorin University Tokyo Japan
3. Department of Medical Oncology Toranomon Hospital Tokyo Japan
4. Department of Surgery Fukui‐ken Saiseikai Hospital Fukui Japan
5. Department of Gastroenterology and Hepatology Japan Community Health Care Organization, Hokkaido Hospital Hokkaido Japan
6. Department of Gastroenterological Surgery, Graduate School of Medical Sciences Kumamoto University Kumamoto Japan
7. Department of Gastroenterology Nagaoka Red Cross Hospital Niigata Japan
8. Department of Surgery Hiroshima Citizens Hospital Hiroshima Japan
9. Department of Surgery and Palliative Medicine Fujita Health University School of Medicine Aichi Japan
10. Division of Thoracic Oncology Shizuoka Cancer Center Shizuoka Japan
11. Department of Clinical Oncology Aichi Cancer Center Hospital Nagoya Japan
12. Department of Pulmonary Medicine Kyoto Prefectural University of Medicine Kyoto Japan
13. Data Science Ono Pharmaceutical Company Ltd Osaka Japan
14. Clinical Development Planning Ono Pharmaceutical Company Ltd Osaka Japan
15. General Medical Research Center Fukuoka University Fukuoka Japan