What is testicular cancer?

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

Testicular cancer symptoms

Symptoms include a lump or swelling in part of one testicle or a heavy scrotum. Find out more. 

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.


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.


There are 3 main stages of testicular cancer. Find out what the different sizes mean.


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

If your cancer comes back

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

Follow up

After treatment, you have regular check ups to look for signs of the cancer coming back. This is called monitoring or follow up.

Living with testicular cancer

What you can do, who can help and how to cope with testicular cancer.

Research and clinical trials

Find out about the latest research into testicular cancer and all about taking part in clinical trials.

Risks and causes

We don't know what causes most testicular cancers. But some factors can increase your risk of getting it. 

Last reviewed: 
04 Aug 2021
Next review due: 
08 Aug 2024
Coronavirus and cancer

We know it’s a worrying time for people with cancer, we have information to help.

Read our information about coronavirus and cancer