- A 30-year-old man was admitted because of fatigue, vertigo and 2 episodes of melena. Endoscopy showed a tumor in the gastric antrum which appeared benign, as was also its appearance on barium meal. The source of the bleeding was the mucosa overlying the tumor. Antrectomy was performed with Billroth I anastomosis. Histopathological examination revealed the tumor to be an ectopic pancreas in the gastric wall.