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: Pathology
[{'content': '38-year-old man Babbu, a chronic alcoholic, presents with pain in the abdomen. On examination, his liver is enlarged and serum alpha-fetoprotein is elevated. The most likely diagnosis is - \nSelect and explain. \nA. Hepatocellular carcinoma, B. Liver cell hyperplasia, C. Hepatic adenoma, D. Hepatitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Increase in α feta protein is associated with hepatocellular carcinoma and chronic alcoholism is a well known\xa0and common predisposing factor.\n\nClinical Feature\n\nIn most cases, hepatocellular carcinoma presents as an ill defined upper abdominal pain, malaise, fatigue and weakness and sometimes awareness of an abdominal mass or abdominal fullness.\nOn palpation, the enlarged liver may be felt as a\nUnifocal usually large mass\nMultifocal widely distributed nodules of variable size.\nDiffuse infiltrative cancer.', 'role': 'assistant'}]