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 40 year old patient it comes with right upper quadrant pain from last 48 hours. Ultrasound reveals calculous cholecystitis. What is the preferred treatment \nSelect and explain. \nA. cholecystectomy, B. Antibiotics alone, C. Antibiotics and interval cholecystectomy, D. Analgesics', 'role': 'user'}, {'content': 'Answer: A \nExplanation: If symptomatic cholecystitis patients comes within 72 hours emergency cholecystectomy is preferred.\nIf patient comes late then interval cholecystectomy is done after 6 weeks.', 'role': 'assistant'}]