More than 95% of testicular tumours arise from the germ cells. Testicular germ cell tumours can be subdivided into seminoma and non-seminomatous germ cell tumours (NSGCTs). Of the germ cell tumours, about 50% are seminomas and 50% are non-seminomas.
This is a companion discussion topic for the original article at https://patient.info/doctor/testicular-cancer-pro