title: Pancreatic pseudocyst with massive upper gastrointestinal bleeding.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D010181:Pancreatic Cyst / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D010195:Pancreatitis / Q000150:complications; D011860:Radiography, Abdominal; D012422:Rupture, Spontaneous