Testicular cancer forms in a man's testicles, the two egg-shaped glands that produce sperm and testosterone. Testicular cancer mainly affects young men between the ages of 20 and 39. It is also more common in men who Have had abnormal testicle development Have had an undescended testicle Have a family history of the cancer Symptoms include pain, swelling or lumps in your testicles or groin area. Most cases can be treated, especially if it is found early. Treatment options include surgery, radiation and/or chemotherapy. Regular exams after treatment are important. Treatments may also cause infertility . If you may want children later on, you should consider sperm banking before treatment.