The three major types of blood cancer are leukemia, lymphoma, and myeloma. All three types usually affect the growth and function of white blood cells. Leukemia affects immature white blood cells, ...

Non-Hodgkin’s lymphoma (NHL) is a group of over 60 subtypes of cancer that originate in the lymphocytes, which are white blood cells within the lymphatic system. NHL subtypes are categorized based on ...

Lymphoproliferative disorders are a group of diseases characterized by the uncontrolled production of white blood cells called lymphocytes. It can include leukemia and lymphoma. Lymphocytes can be ...

Lymphocytosis means you have a higher-than-usual lymphocyte count, often defined as more than 3 to 4 billion cells per liter of blood. Lymphocytes are white blood cells that help fight disease. Smudge ...

Hodgkin lymphoma (formerly known as Hodgkin disease), which involves an abnormal type of lymphocyte called Reed-Sternberg cells Non-Hodgkin lymphoma, which does not contain Reed-Sternberg cells Both ...

The lymphatic system is the network of vessels, tissues, and organs that are part of the body’s immune system. Lymphoma develops in infection-fighting cells called lymphocytes that circulate through ...

Dear Dr. Roach: I am a female and almost 75 years old. My vital signs are always normal, and I am active, but slightly overweight. I get quarterly blood draws, and every reading is in the normal range ...