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': 'All are tumor markers of HCC except \nSelect and explain. \nA. Neurotensin, B. AFP, C. CA - 19-9, D. PIVKA-2', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Tumor markers PIVKA Glypican-3 AFP fractions (AFP-L3) Neurotensin Ref:Sabiston 20th edition Pgno : 1458-1463', 'role': 'assistant'}]