This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Testicular Cancer, Subject name: Surgery
[{'content': 'MC germ cell tumor is: \nSelect and explain. \nA. Embryonal teratoma, B. Dermoid, C. Rhabdomyosarcoma, D. Seminoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: D (Seminoma) (Ref: Sabiston 18th/1688]Classification of Germ Cell Tumors1. Benign: Mature teratomas, Dermoid cysts2. Malignant;i. Seminomasii. Non-seminomatous germ cell tumors:- Immature teratoma- Teratoma with malignant components- Choriocarcinoma- Embryonal cell (yolk sac) tumors- Mixed germ cell tumorsGerm cell tumors have the following subtypes and frequencies: Seminoma (40%), Embryonal tumors (25%) Teratocarcinomata (23%), teratomata (5%) Choriocarcinoma (1%) Others (5%)', 'role': 'assistant'}]