Fig. 5From: Gastric heterotopic pancreas and stromal tumors smaller than 3 cm in diameter: clinical and computed tomography findingsPhotomicrographs of gastric submucosal tumors stained with Hematoxylin-eosin stain. a Heterotopic pancreatic mass is composed of pancreatic acini and ducts. b Stromal tumor is composed of homogenous spindle cellsBack to article page