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: Anatomy
[{'content': 'Consider the following features - Asian Male, Alcoholic cirrhosis, hypervascular lesion during aerial phase of CT and poal vein thrombosis. The above features are mostly suggestive of \nSelect and explain. \nA. Cholangiocarcinoma, B. Hepatocellular carcinoma, C. Metastatic colorectal carcinoma, D. Neuroendocrine tumors', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Most prevalent in Asia and Sub Sahara Africa Alcohol cirrhosis is high risk factor for HCC Non invasive Diagnostic criteria for HCC Focal lesion 1-2 cm : Two imaging techniques with aerial hypervascularization and venous washout Focal lesion >2cm : One imaging technique with aerial hypervascularization and venous washout Techniques to be considered are Dynamic CT and MRI Ref:Sabiston 20th edition Pgno :1458-1463', 'role': 'assistant'}]