| Affiliation: | (1) Department of Surgery, National Cancer Center Hospital, 1-1 Tsukiji 5-Chome, Chuo-ku, Tokyo 104, Japan, JP;(2) First Department of Surgery, Kumamoto University School of Medicine, 1-1-1 Honjo, Kumamoto 860, Japan, JP;(3) First Department of Surgery, Mie University Faculty of Medicine, 2-174 Edobashi, Tsu 514, Japan, JP;(4) First Department of Surgery, Tohoku University School of Medicine, 1-1 Seiryo-cho, Aoba-ku, Sendai 980, Japan, JP;(5) First Department of Surgery, Yamanashi Medical University, 1110 Tamaho, Yamanashi 409-38, Japan, JP;(6) Second Department of Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830, Japan, JP;(7) Second Department of Surgery, Nagasaki University School of Medicine, 7-1 Sakamoto-machi, Nagasaki 852, Japan, JP;(8) Second Department of Surgery, Yamaguchi University School of Medicine, 1144 Kogushi, Nishi-ku, Ube 755, Japan, JP;(9) Second Department of Surgery, Osaka University Medical School, 2-2 Yamadaoka, Suita 565, Japan, JP;(10) First Department of Surgery, Kobe University School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650, Japan, JP;(11) Department of Surgery, Sendai National Hospital, 2-8-8 Miyagino, Miyagino-ku, Sendai 983, Japan, JP;(12) Department of Surgery, Tochigi Cancer Center, 4-9-13 Yonan, Utsunomiya 320, Japan, JP |
