Testicular cancer is a type of cancer that develops in the testicles, a part of the male reproductive system. In the United States, about 8,000 to 9,000 diagnoses of testicular cancer are made each year. Over his lifetime, a man's chance of getting testicular cancer is roughly 1 in 250 (four tenths of one percent, or 0.4%). It is most common among males aged 15–40 years. Testicular cancer has one of the highest cure rates of all cancers: in excess of ninety percent; essentially one hundred ...
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... A simple procedure called testicular self-examination (TSE) can improve your chances of finding a tumor. Beginning in your mid-teenage years, and throughout your life, examine your testicles regularly...
Source: MayoClinic