What Is Testicular Cancer ? Cancer that starts in the testicles is called testicular cancer . Cancer starts when normal cells begin to grow out of control. To understand testicular cancer , it helps to know about the normal structure and function of the testicles. Learn more about the symptoms, risk factors, diagnosis, stages, treatment, and complications of testicular cancer . Testicular cancer develops in the testicles of men. Although it is a rare kind of cancer , it is one of the most common cancers among men within the age bracket of (15 to 35) years. One may have testicular cancer due to the abnormal growth of one or more cells in the testicles. All men having this disease may not experience the symptom. However, around 90% of this type of cancer develops from germ cells produced in the sperm. These cells form the mass or tumour in the testicle. There are two ...
