You usually start by seeing your GP. They will examine you and might refer you for tests or to a specialist. If the tests show that you have non Hodgkin lymphoma you have more tests to find out how which lymph nodes are affected.
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.
See which tests you might have to check for signs of non Hodgkin lymphoma.
You might have one or more of these tests to find out the type of lymphoma and see whether it has spread.