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: Medicine
[{'content': 'Which one of the following is not true regarding fibrolamellar carcinoma? \nSelect and explain. \nA. Seen in young adults, B. Better prognosis than HCC, C. Associated with HBV infection, D. Elevated AFP is not seen', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Unlike HCC, fibrolamellar Ca is not associated with HBV infection. Fibrolamellar carcinoma characteristically manifests as a large hepatic mass in adolescents or young adults. Most patients present in the 2nd or 3rd decade of life. Cirrhosis; elevated a-fetoprotein levels; and typical risk factors for hepatocellular carcinoma such as viral hepatitis, alcohol abuse, and metabolic disease are typically absent.', 'role': 'assistant'}]