Fig. 1

a, b Findings on upper GI endoscopy. An SMT and ulcer are present on the anterior wall of the lower body of the stomach (a). Multiple hyperplastic polyps are seen on the mucosa (b). There is no active bleeding from the SMT or ulcer. Red triangle indicates a part of the thickening of the stomach wall. Abbreviations: GI gastrointestinal, SMT submucosal tumor