What Is NHL?
Non-Hodgkin's lymphoma, or NHL, is a type of cancer of the immune system. NHL involves white blood cells (known as lymphocytes). Under normal conditions, these cells help defend your body from disease. In people with NHL, too many abnormal white blood cells build up in the blood, bone marrow, spleen, and/or lymph nodes. Most NHL occurs in white blood cells called B-cells.
Keep in mind: The number of people with NHL continues to rise. According to American Cancer Society estimates, more than 66,000 people are expected to be diagnosed with NHL in 2011. But people with NHL have more treatment options than ever before.