Zollinger-Ellison syndrome.
D007516:Adenoma, Islet Cell / Q000601:surgery; D005743:Gastrectomy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000601:surgery; D013276:Stomach Ulcer / Q000601:surgery; D015043:Zollinger-Ellison Syndrome / Q000601:surgery*