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 is which of the following \nSelect and explain. \nA. Renal cell carcinoma, B. Lymphoma, C. Angiosarcoma of liver, D. Astrocytoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref Robbins 9/e p519 Angiosarcoma of liver is a highly aggressive tumor which is associated with exposure to: Vinyl chloride Arsenic Thorotrast Thorotrast is a suspension containnig paicles of the radioactive compound thorium dioxide .it emits alpha paicles due to which it has been found to be extremely carcinogenic', 'role': 'assistant'}]