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
A 50-year-old diabetic patient with asymptomatic gallstone (>3 cm) will be best treated by- 
Select and explain. 
A. Early surgery, B. Bile salt treatment, C. ESWL, D. Waiting till it becomes symptomatic
A: Early surgery
Answer: A: Early surgery 
Explanation: None