This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Thorium induced tumor \nSelect and explain. \nA. Angiosarcoma of liver, B. Renal cell carcinoma, C. Lymphoma, D. Astrocytoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer Robbins page no Pg 875', 'role': 'assistant'}]