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. Is a true cyst, B. Common with penetrating trauma abdomen, C. Treated with cystogastrostomy if size > 2 cm, D. Can present from mediastinum to pubis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer is 'd' i.e. can present from mediastinum of pubis", 'role': 'assistant'}]