• A painless lump or swelling in a testicle
• Pain or discomfort in a testicle or in the scrotum
• Any enlargement of a testicle or change in the way it feels
• A feeling of heaviness in the scrotum
• A dull ache in the lower abdomen, back, or groin
• A sudden collection of fluid in the scrotum

These symptoms can be caused by cancer or by other conditions. It is important to see a doctor to determine the cause of any of these symptoms.