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: Ans. is 'a' i.e., Early surgery", 'role': 'assistant'}]