title: Transgastric drainage of a large encapsulated omental sac hematoma.
mesh_terms: D000368:Aged; D003560:Cysts / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery*; D003937:Diagnosis, Differential; D004322:Drainage; D005500:Follow-Up Studies; D006406:Hematoma / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D009852:Omentum; D010181:Pancreatic Cyst / Q000175:diagnosis; D010532:Peritoneal Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery*; D011859:Radiography; D012187:Retroperitoneal Space