657PCan preoperative diagnosis select therapeutic target of neoadjuvant chemotherapy for gastric cancer?. (23rd October 2018) - Hara, K; Hayashi, T; Shimoda, Y; Nakazono, M; Nagasawa, S; Kumazu, Y; Yamada, T; Rino, Y; Masuda, M; Ogata, T; Oshima, T; Yoshikawa, T