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': 'Tumor markers for primary hepatocellular carcinoma are all except \nSelect and explain. \nA. Alpha-feto protein, B. Alpha-2 macro globulin, C. PIVKA-2, D. Neurotensin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tumor markers PIVKA Des-gamma-carboxy prothrombin Glypican-3 AFP fractions (AFP-L3 is highly specific to HCC) Ref:Sabiston 20th edition Pgno :1458-1463', 'role': 'assistant'}]