It especially concerns our health. When a lymphoma develops, lymphoma cells can build up in the lymph nodes, as well as in the bone marrow, spleen, and other parts of the body. Physicians have detailed knowledge of lymph drainage patterns, along with the typical locations for certain lymph nodes. True night sweats are often more impressive. Lymphocytes fight off bacterial and viral infections and play an important role in the body's immune system. Nobody wants a Mazda Hooker.