A lymphoma is a type of cancer that affects the lymph
system, which is part of the body's immune system. The two main types of
lymphoma are Hodgkin's lymphoma and non-Hodgkin's lymphoma.
Lymphomas are more common in men than in women. In most cases the cause
is not known. Symptoms of lymphoma include swelling in one or more groups of
lymph nodes, weakness, fever, weight loss, and an enlarged liver and
Depending on the type of lymphoma and whether it is
confined to a single group of lymph nodes or affects many lymph nodes,
treatment may include radiation therapy, chemotherapy, or, in serious cases, a
stem cell transplant. Because the disease and its treatment impair the immune
system, a person who has lymphoma has an increased risk of dying from
Anne C. Poinier, MD - Internal Medicine & Douglas A. Stewart, MD - Medical Oncology
The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.