This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Male Genital Tract, Subject name: Pathology
[{'content': 'Testicular tumor associated with high HCG level is? \nSelect and explain. \nA. Choriocarcinoma, B. Seminoma, C. Endodermal sinus tumour, D. All of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a i.e., Choriocarcinoma Testicular tumorTumor markersSeminoma* Placental alkaline phosphatase, keratin* Classical seminomas are negative for HCG, but 7-15% may be positive for HCGEmbryonal carcinoma* HCG, AFPYolk sac tumor* AFP, a-1 antitrypsinChoriocarcinoma* HCG", 'role': 'assistant'}]