Institution: | (1) Gastrointestinal Oncology Division, National Cancer Center Hospital, Tokyo, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan;(2) Hamano Statistical Analysis Ltd, 1-8-4-23 Wakaba, Shinjuku-ku, Tokyo, Japan;(3) Clinical Laboratory Division, National Cancer Center Hospital, Tokyo, 5-1-1 Tsukiji, Chuo-ku, Tokyo, Japan;(4) Endoscopy Division, National Cancer Center Hospital, Tokyo, 5-1-1 Tsukiji, Chuo-ku, Tokyo, Japan;(5) Esophageal Surgery Division, National Cancer Center Hospital, Tokyo, 5-1-1 Tsukiji, Chuo-ku, Tokyo, Japan; |