Testicular Cancer Testicular Cancer Testicular cancer is the most common type of cancer in men ages 20 to 35.
Testicular cancer is of special concern to young men.
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. Two groups of men have a greater risk of developing testicular cancer - those whose testicles have not descended into the scrotum and those whose testicles descended after age 6.