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
Commonest histological type of carcinoma testis is - 
Select and explain. 
A. Teratoma, B. Yolk sac tumor, C. Seminoma, D. Choriocarcinoma
C: Seminoma
Answer: C: Seminoma 
Explanation: Tumors of the testis are a heterogeneous group of neoplasms that include germ cell tumors and sex cord stromal tumors. 
In postpubertal males, 95% of testicular tumors arise from germ cells, and all are malignant