Fig. 1.

Esophagogastroduodenoscopic findings. a Multiple white edematous polyps (arrows) were observed in the corpus and antrum, which were considered to be fundic gland polyps (FGPs) as determined endoscopically before admission. b Esophagogastroduodenoscopy (EGD) revealed mild oozing from polyps of the gastric corpus (arrows) after admission. c EGD findings at the time of readmission: a reddish, hemorrhagic polyp was observed in the antrum, together with coagula. d Coagula were observed in the stomach, and multiple polyps in the corpus were hemorrhagic