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': 'Which of the following is not a marker of seminoma? \nSelect and explain. \nA. PLAP, B. Alpha fetoprotein, C. Beta HCG, D. LDH', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Alpha fetoprotein is not raised in seminoma and choriocarcinoma.', 'role': 'assistant'}]