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: Radiology
[{'content': 'Spongy appearance" with central sunburst calcification is seen in \nSelect and explain. \nA. Pancreatic adenocarcinoma, B. Mucinous cyst adenocarcinoma, C. Somato statinoma, D. Serous cyst adenoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Serous cyst adenoma', 'role': 'assistant'}]