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Testicular cancer is a growth of abnormal cells within a testicle. Doctors do not know the exact cause of testicular cancer. It accounts for only 1 percent of all cancers in men. However, it is the most common cancer in men aged 15 to 34. Testicular cancer is about four times more common in white men than in African American men, with rates for Hispanic, Native American, and Asian men between those two groups. Thanks to dramatic advances in therapeutic drugs, along with better diagnostic tests, survival rates for the cancer have been boosted significantly. Today, testicular cancer is frequently curable, especially with early diagnosis and treatment.

Symptoms of testicular cancer include the following:
• a lump in either testicle
• enlargement of a testicle
• a feeling of heaviness in the scrotum
• a dull ache in the lower abdomen or in the groin area
• a sudden collection of fluid in the scrotum
• discomfort in a testicle or in the scrotum
• enlargement or tenderness of the breasts

If you notice any of these symptoms, see a doctor immediately. Cancer of the testicles usually does not cause pain, although some men may experience soreness or discomfort in the scrotum or in the groin area.