Inflammatory fibroid polyp (IFP) is an unusual benign gastrointestinal subepithelial tumor (SET). The endosonographic (EUS) features of IFPs were sporadically reported on imagingtips or small case series study. However, the differential diagnosis and optimal treatment of gastric IFP is still challenging. We report an unusual case of a large erosioned and prolapsing gastric submucosal lesion, presenting primaril...