CASE REPORT: Synchronous gastric cancer and carcinoma in situ of the pancreas. - Masashi Inoue; Keishi Hakoda; Hiroyuki Sawada; Ryuichi Hotta; Ichiro Ohmori; Kazuaki Miyamoto; Kazuhiro Toyota; Seiji Sadamoto; Tadateru Takahashi (Clinical Case Reports, 2021)