This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Rx of choice in case of chronic ulcerative colitis is ? \nSelect and explain. \nA. Colectomy with ileostomy, B. Colectomy + manual proctectomy + ileoanal pouch anastomosis, C. Proctocolectomy with ileoanal anastomosis, D. Ileorectal anastomosis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans is 'c' ie Protocolectomy with ileoanal anastomosis", 'role': 'assistant'}]