This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Surgery
[{'content': 'Comment on the diagnosis of a film shown of a 65-year - old man with acute abdomen: \nSelect and explain. \nA. IIeocolic intussusception, B. Sigmoid volvulus, C. Toxic megacolon, D. Colocolic intussusception', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Notice the significant Clawsign in the given film of a Ba. Enema which is suggestive of intussusception. INTUSSUSCEPTION: M/C type - Ileocolic M/C type in adults - Colocolic - Since in the question the age of the patient was clearly mentioned as 65 years old. The diagnosis might be colocolic intussusception.', 'role': 'assistant'}]