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': 'A 50-year-old diabetic patient with asymptomatic gallstone (>3 cm) will be best treated by \nSelect and explain. \nA. Early surgery, B. Bile salt treatment, C. ESWL, D. Waiting till it becomes symptomatic', 'role': 'user'}, {'content': "Answer: A \nExplanation: Prophylactic cholecystectomy should be conducted in this patient even though it is a silent gallstone with no symptoms as he is a diabetic & stone size is more than 3 cm.\nSuch patients are at increased risk of complications from gallstones.\n\nReference: Bailey & Love's short practise of surgery,25\xa0th edition, page no:1121.", 'role': 'assistant'}]