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: Medicine
[{'content': 'All are true about pseudopancreatic cyst of pancreas except - \nSelect and explain. \nA. Common after acute pancreatitis, B. Present as an abdominal mass, C. Serum amylase is increased, D. Most common site is in head of pancreas', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]