Islet cell tumors of the pancreas.
D007516:Adenoma, Islet Cell / Q000175:diagnosis*; D000293:Adolescent; D000328:Adult; D000368:Aged; D003967:Diarrhea / Q000150:complications; D005260:Female; D006801:Humans; D007003:Hypoglycemia / Q000209:etiology*; D007008:Hypokalemia / Q000150:complications; D007223:Infant; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis* / Q000601:surgery; D010437:Peptic Ulcer / Q000150:complications; D015043:Zollinger-Ellison Syndrome / Q000175:diagnosis*