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': 'Which of the following is true about Pseudocyst of pancreas \nSelect and explain. \nA. Usually occurs after 6 weeks of pancreatitis, B. Cysto gastrectomy is surgery of choice, C. Only occurs after acute pancreatitis, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pseudocyst of pancreas is complication of pancreatitis.\nCysto - jeyunostomy is surgery of choice.', 'role': 'assistant'}]