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': 'Surgical intervention in acute pancreatitis is indicated in all, EXCEPT: \nSelect and explain. \nA. Infected necrosis, B. Infected collection, C. Impacted gallstone in ampulla, D. None of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Surgical intervention in acute pancreatitis is reserved for patients with infected collections or infected necrosis only, or to relieve an impacted gallstone in the ampulla if endoscopic or radiologic treatments are unavailable or unsuccessful. Ref: Schwaz's principle of surgery 9th edition, chapter 33.", 'role': 'assistant'}]