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
[{'content': 'True about hepatocelluar ca is - \nSelect and explain. \nA. Associated with HBV and HCV, B. Cirrhosis is predisposing factor, C. Fibrolamellar variety is not associated with cirrhosis, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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', 'role': 'assistant'}]