Mantle cell lymphoma is a cancer of white blood cells, which help your body fight infections.
You may hear your doctor refer to your condition as a type of "non-Hodgkin's lymphoma." These are cancers of the lymphocytes, a specific type of white blood cell.
Lymphocytes are found in your lymph nodes, the pea-sized glands in your neck, groin, armpits, and other places that are part of your immune system.
If you have mantle cell lymphoma, some of your lymphocytes, called "B-cell" lymphocytes,...