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': 'The commonest cyst to arise in pancreas after an attack of acute pancreatitis or pancreatic trauma is:March 2004 \nSelect and explain. \nA. Serous cyst, B. Mucinous cyst, C. Pseudocyst, D. Malignant cyst', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Pseudocyst', 'role': 'assistant'}]