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: Medicine
[{'content': 'A 69 year old male patient having coronary aery disease was found to have gall bladder stones while undergoing a routine ultrasound of the abdomen.There was no history of biliary colic or jaundice at any time.What is the best treatment advice for such a patient for his gallbladder stones: \nSelect and explain. \nA. Open cholecystectomy, B. Laparoscopic cholecystectomy, C. No surgery for gallbladder stones, D. ERCP and removal of gallbladder stones', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (No surgery for gallbladder stones)Prophylactic cholecystectomy is not warranted in an asymptomatic patient.', 'role': 'assistant'}]