This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Radiology
[{'content': 'A patient with abdominal pain diarrhea and weight loss. He gives a history of taking treatment for pulmonary TB. What does the barium film of the patient show? \nSelect and explain. \nA. Saw tooth, B. Intestinal perforation, C. Pulled up cecum, D. Diverticulum formation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Pulled up cecumA barium follows=through examination shows absent filling of the lower ileum, caecum and the ascending colon as a result of narrowing of the ulcerated segment.', 'role': 'assistant'}]