A and B) huge solid tumor arising from the greater curvature of the stomach that measured 25 × 25 cm and had not ruptured into the peritoneal cavity or infiltrated other organs. An attaching pedicle approximately 3 cm in breadth was observed in the greater curvature of middle body of the stomach. Partial gastric resection was performed. C and D) The resected mass measured 25 × 25 × 20 cm. In cross section, the tumor appeared hard and homogenous with a small polycystic area and calcification.