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': 'Calcific hepatic metastases are seen in – \nSelect and explain. \nA. Adenocarcinoma of the colon, B. Carcinoid tumours, C. Renal cell carcinoma, D. Lymphoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A calcified pattern in hepatic metastasis is commonly due to mutinous adenocarcinoina of colon or ovary.', 'role': 'assistant'}]