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': 'Absolute indication for choledochotomy : \nSelect and explain. \nA. Gallstone ileus, B. Gallstone pancreatitis, C. Fever, D. Palpable CBD stone', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e. Palpable CBD stone During open cholecystectomy there are ceain traditional indications for choledochotomy. These are: Absolute indications (high suspicion of CBD calculi) a) palpable CBD stone b) jaundice with cholangitis c) demonstration of stones by intraoperative cholangiography d) dilatation of CBD > 12 mm Relative indications (low suspicion of CBD calculi) a) jaundice without cholangitis b) h/o pancreatitis c) dilated CBD d) when on aspiration bile is white e) a dilated cystic duct In laparoscopic cholecystectomy, the only indication of laproscopic choledochotomy is when transcystic duct exploration is not possible.", 'role': 'assistant'}]