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': 'What is the most common complication of ERCP \nSelect and explain. \nA. Acute pancreatitis, B. Perforation, C. Bleeding, D. Infection', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Most common complication of ercp is acute pancreatitis.\nSecond most common complication is duodenal perforation\nCholangitis, bleeding, infection are the other complication.', 'role': 'assistant'}]