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What is Testicular Cancer?

With timely diagnosis, testicular cancer is most likely treatable and most often curable. It is the most common cancer in men age 15 to 34. Still, it is fairly rare. About 8,400 men will be diagnosed with testicular cancer in the U.S. this year. The risk of death from testicular cancer is small. About 380 men will die of testicular cancer in the U.S. this year.

The Testicles

Male Reproductive Organs
Male Reproductive System
Medical Illustration Copyright © 2015 Nucleus Medical Media, All rights reserved

The testicles (also known as testes) are part of the male reproductive system. These 2 golf ball size glands are held in a sac (scrotum) below the penis. The testicles have a firm, slightly spongy feel. At the top and outside edge is a rubbery, tube-like structure called the epididymis. The firmness of the testicle (also known as the testis) should be the same throughout. The size of the testicles should be about the same.

The testicles are where sperm mature before being delivered to the vas deferens and ejaculated.
The testicles also make male hormones such as testosterone. This hormone controls the sex drive in men. It also triggers the development of male traits.