What Is Testicular Cancer? | Types of Testicular Cancer
What are testicles? Testicles (also called testes; a single testicle is called a testis) are part of the male reproductive system. The 2 organs are each normally a little smaller than a golf ball in adult males. They’re held within a sac of skin called the scrotum. The scrotum hangs under the base of the penis. Testicles have…