^○Toshiharu Hirose, Atsuo Takashima, Hirano Hidekazu, Natsuko Okita, Hirokazu Shoji, Satoru Iwasa, Ken Kato (Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital)

^○Naoto Takase, Takashi Nishimura, Tomoki Higashiyama, Shunsuke Ueno, Tadanobu Hatsu, Yuko Yoshizumi, Tadashi Okamoto, Yoshinobu Nanba, Nobuyuki Katakami, Shunichi Negoro (Respiratory Medicine and Medical Oncology, Takarazuka City Hospital)