A dangerous tumor of the male sex organ (gonad) that ordinarily delivers the hormone testosterone. It is one of the most widely recognized malignant growths in youngsters. Most testicular tumors are found by men themselves, as bumps in the gonads. The danger of testicular malignancy is expanded in guys whose gonads didn't descend regularly into the scrotum during adolescence (undescended balls). At the point when a development in a gonad is distinguished, malignant growth is affirmed after careful expulsion of the influenced gonad (orchiectomy) and assessment of the tissue under a magnifying instrument. Testicular malignant growth is quite often treatable in the event that it is discovered early