This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Etiological Factors of Neoplasia, Subject name: Pathology
[{'content': 'All are the potential carcinogens for hepatic angiosarcoma except : \nSelect and explain. \nA. Thorotrast, B. Arsenic, C. Polyvinyl chloride, D. Naphthylamine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hepatic angiosarcoma carcinogen:- T :- Thorotrast A :- Arsenic P :- Poly vinyl chloride Other carcinogen :- Aflatoxin :- HCC Asbestos :- Lung cancer/ Mesothelioma Nitrosamine :- Stomach cancer. Naphthylamine:- urothelial carcinoma of bladder', 'role': 'assistant'}]