You usually start by seeing your GP. They will examine you and might refer you for tests or to a specialist.
If diagnosed with non-Hodgkin lymphoma you will need more tests to find out which lymph nodes are affected.
Find out about the symptoms of non-Hodgkin lymphoma, and when to see your GP.
Find out what happens when you see your GP and how to get the most out of your appointment.
Find out when GPs refer people to see a non-Hodgkin lymphoma specialist.
Find out why there is no screening programme for non-Hodgkin lymphoma.
There are several tests that you might have to diagnose NHL. Find out more about them.