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 70 year female patient having coronary aery disease was found to have asymptomatic gallstones on routine ultrasound scan of the abdomen. What the best management for his gallstones: September 2010 \nSelect and explain. \nA. Laparoscopic removal of gall bladder, B. Open cholecystectomy, C. ERCP assisted gallstones removal, D. Observation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: Observation', 'role': 'assistant'}]