This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pathology
Thorium dioxide causes 
Select and explain. 
A. Lymphoma, B. Lymphanfiosarcoma, C. Angiosarcoma, D. Hemangioendothelioma
C: Angiosarcoma
Answer: C: Angiosarcoma 
Explanation: Angiosarcoma of liver is a aggresive neoplasm associated with exposure to vinyl chloride ,arsenic or thorotrast GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK PGNO.464 IMAGE REF: