This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
True about hepatocelluar ca is - 
Select and explain. 
A. Associated with HBV and HCV, B. Cirrhosis is predisposing factor, C. Fibrolamellar variety is not associated with cirrhosis, D. All
D: All
Answer: D: All 
Explanation: Answer is 'a' i.e. Associated with HBV & HCV; 'b' i.e. Cirrhosis is a predisposing factor; 'c' i.e. Fibrolamellar variety is not associated with cirrhoris "All patterns of hepatocellular carcinomas have a strong propensity for invasion of vascular channels." - Robbins