Don't worry, the disease is often not fatal. In fact, a little under half the population is infected with one. (Or, in most cases, two.) However, if they begin enlarging to an abnormal size, you should consult your physician, as this may be a sign of a serious medical condition. For instructional care of your testicle, talk to your doctor or just google it. If you would like to remove your testicles, please see a surgeon to make an appointment.