Testicular cancer is when abnormal cells in a testicle start to divide and grow in an uncontrolled way.  The testicles are part of the male reproductive system.

What is testicular cancer?

Testicular cancer is cancer that develops in the testicles. The testicles are part of the male reproductive system.

Symptoms of testicular cancer

Symptoms of testicular cancer include a lump or swelling in part of one testicle or a heavy scrotum. Find out about other possible symptoms and when you should see your GP.

Getting diagnosed with testicular cancer

You usually start by seeing your GP. They might refer you for tests or to a specialist if you have symptoms that could be caused by testicular cancer.

Survival for testicular cancer

Survival for testicular cancer is very high. Nearly all men are cured.

Types of testicular cancer

Your type of testicular cancer depends on which type of cell it started in. Knowing your type helps the doctor decide which treatment you need.

Stages of testicular cancer

The stage describes the size of your cancer and whether it has spread.  Doctors also look at the level of tumour markers in your blood.

Treatment for testicular cancer

You usually have surgery. You might have chemotherapy or radiotherapy. This depends on the stage and type of your testicular cancer. 

If your testicular cancer comes back

Sometimes testicular cancer comes back (relapses) after treatment. It can still usually be cured. 

Follow up after testicular cancer treatment

After treatment, you have regular check ups to look for signs of the cancer coming back.

Living with testicular cancer

Getting practical and emotional support can help you cope with a diagnosis of cancer.

Research and clinical trials for testicular cancer

Research trials aim to improve treatment for testicular cancer and to understand more about the causes.

Risks and causes of testicular cancer

There are some factors that increase the risk of testicular cancer. Find out more about these. 

Last reviewed: 
06 Feb 2022
Next review due: 
06 Feb 2025