It can occur anytime after age 15. It is less common in middle-aged and older men. White men are four times more likely to develop testicular cancer than black men. The rate among Hispanic men lies between those of blacks and whites. Testicular cancer is 3 to 17 times more likely to develop in these men.
Testicles are male reproductive organs.
They produce and store sperm. They also produce testosterone, a hormone that causes such male traits as facial hair and lower voice pitch. Testicles are smooth, oval- shaped, and somewhat firm to the touch. They are below the penis in a sac of skin called the scrotum. The testicles normally descend into the scrotum before birth.