Your GP is often the first person you speak to if you have concerns about your health or if you feel unwell.
Blood tests give doctors useful information about your general health and help show how lymphoma is affecting your body.
These work in different ways to give detailed pictures of the inside of your body.
A magnetic resonance imaging (MRI) scan uses a strong magnet and radio waves to make detailed images of the inside of your body.
These scans can help doctors diagnose and find out about some types of lymphoma.
Find out more by watching our video on scans.
A biopsy (sample of tissue) is usually needed before a diagnosis of lymphoma can be confirmed.
This tests whether you have lymphoma cells in your bone marrow, where blood cells are made.
This test shows if you have lymphoma in your central nervous system or (brain, spinal cord and eyes).
Find out why it can take time to get your results and tips to help cope with the wait.
Find out about the different stages of lymphoma and what they mean.
Find out about the healthcare professionals who might be involved in your treatment and care.
Dr Manil Subesinghe describes the reasons why you might have scans and what the different scans show.
You might also like to listen to our podcast on the role of the radiologist with Dr Subesinghe.