This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver, Subject name: Pathology
Most common tumor of liver is: 
Select and explain. 
A. Cavernous hemangioma, B. Hepatocellular carcinoma, C. Adenoma, D. Metastasis
D: Metastasis
Answer: D: Metastasis 
Explanation: Ans. (d) MetastasisRef: Harrison 19th ed. Z544* Most common tumor of liver is metastasis* Most common benign tumor of liver is cavernous Hemangioma* Most common cause of hepatocellular cancer is hepatitis B.