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': 'True about pseudocyst of pancreas \nSelect and explain. \nA. Pancreatic fluid collection, B. May be asymptomatic, C. Amylase raised, D. All of the above.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]