Coronavirus and cancer

We know it’s a worrying time for people with cancer, we have information to help. If you have symptoms of cancer contact your doctor.

Read our information about coronavirus and cancer

What is chronic lymphocytic leukaemia (CLL)?

Find out about chronic lymphocytic leukaemia (CLL), where it starts and about the different types of leukaemia.


Read about possible symptoms of chronic lymphocytic leukaemia (CLL) and when to see your doctor.


The stage of your leukaemia means how far your chronic leukaemia has developed.

Risks and causes

Chronic lymphocytic leukaemia is the most common type of chronic leukaemia. Read about the risk factors and causes.


Find out about survival for chronic lymphocytic leukaemia.

Getting diagnosed

Find out about the tests you have, seeing your GP, when you should see a specialist and screening.


If you have very early stage CLL you may not need treatment straight away. If you do need treatment, you will have chemotherapy.

Living with chronic lymphocytic leukaemia (CLL)

Get support to cope during and after treatment for chronic lymphocytic leukaemia (CLL). 

Research and clinical trials

Find out about the latest UK research, clinical trials and how you can take part.

Last reviewed: 
15 Sep 2020
Next review due: 
15 Sep 2023

Information and help