AB37. Current situation and issues of conversion therapy for stage IV gastric cancer - Okumura, Naoki; Tanahashi, Toshiyuki; Tanaka, Yoshihiro; Matsuhashi, Nobuhisa; Takahashi, Takao; Yamaguchi, Kazuya; Yoshida, Kazuhiro (Translational Gastrointestinal Cancer, 2015)