Gastrointestinal: Gastric outlet obstruction caused by a hamartomatous inverted polyp and an ectopic pancreas. Issue 10 (13th April 2020) - Ashina, S; Sakai, A; Masuda, A; Tsujimae, M; Kobayashi, T; Shiomi, Y; Shiomi, H; Kanaji, S; Itoh, T; Kakeji, Y; Kodama, Y