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
Following statements are true about germ cell tumors of testis except - 
Select and explain. 
A. They constitute 90-95% of all primary testicular tumors., B. Seminoma is the most common tumor developing in the pts with cryptorchid testis., C. Alpha-feto protein is markedly raised in all germ cell tumors., D. High inguinal orchidectomy is the initial surgical procedure.
C: Alpha-feto protein is markedly raised in all germ cell tumors.
Answer: C: Alpha-feto protein is markedly raised in all germ cell tumors. 
Explanation: None