Lymphoma is a malignancy found in the lymph system, specifically in the lymphocytes. The common cells that show malignancy in lymphoma are the B-cell or B-lymphocytes and the T-cells or T-lymphocytes. These lymphocytes are responsible for destroying any pathogens that enter the body and memorize them for faster destruction the next time they invade the system. Lymphoma is sub-divided into Hodgkin's Lymphoma (formerly known as Hodgkin's Disease) and Non-Hodgkin's Lymphoma. The main difference between the two is the presence of Reed-Sternberg cells, commonly found in Hodgkin's lymphoma.
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