Affiliation: | 1.Department of Clinical Oncology, Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-Ku, Nagoya, Aichi, 464-8681, Japan ;2.Department of Gastroenterology, Saitama Cancer Center, Saitama, Japan ;3.Department of Medical Oncology, Kobe City Medical Center General Hospital, Kobe, Japan ;4.Department of Medical Oncology, Faculty of Medicine, Kindai University, Osaka-Sayama, Japan ;5.Department of Endoscopy, Aichi Cancer Center Hospital, Nagoya, Japan ; |