Yoshito Hayashi, Waku Hatta, Yosuke Tsuji, Toshiyuki Yoshio, Yohei Yabuuchi, Shu Hoteya, Shigetsugu Tsuji, Yasuaki Nagami, Takuto Hikichi, Masakuni Kobayashi, Yoshinori Morita, Tetsuya Sumiyoshi, Mikitaka Iguchi, Hideomi Tomida, Takuya Inoue, Tatsuya Mikami, Kenkei Hasatani, Jun Nishikawa, Tomoaki Matsumura, Hiroko Nebiki, Dai Nakamatsu, Ken Ohnita, Haruhisa Suzuki, Hiroya Ueyama, Mitsushige Sugimoto, Shinjiro Yamaguchi, Tomoki Michida, Tomoyuki Yada, Yoshiro Asahina, Toshiaki Narasaka, Shiko Kuribayashi, Shu Kiyotoki, Katsuhiro Mabe, Hiroyuki Kurakami, Mitsuhiro Fujishiro, Atsushi Masamune, Tetsuo Takehara
INTRODUCTION: We investigated the factors associated with synchronous multiple early gastric cancers and determined their localization. METHODS: We analyzed 8191 patients who underwent endoscopic submucosal dissection for early gastric cancers at 33 hospitals in Japan from November 2013 to October 2016. Background factors were compared between single-lesion (n=7221) and synchronous multi-lesion cases (n=970) using univariate and multivariate analyses. We extracted cases with two synchronous lesions (n=832) and evaluated their localization...
May 2, 2024: Digestion