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: Surgery
[{'content': 'Which among the following is a marker for testicular carcinoma? \nSelect and explain. \nA. PSA, B. b-HCG, C. LH, D. FSH', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Beta hCG is elevated in 40-60% of cases with testicular cancer. It is seen in choriocarcinoma, embryonal cell carcinoma and pure seminoma.', 'role': 'assistant'}]