The lymphatic gadget is the body's disorder-preventing network. It includes the lymph nodes, spleen, thymus gland and bone marrow. The major types of lymphoma are Hodgkin's lymphoma and non-Hodgkin's lymphoma. Symptoms consist of enlarged lymph nodes, fatigue and weight reduction. Treatment can also contain chemotherapy, medicine, radiation therapy and rarely stem-cellular transplant. Lymphoma is cancer that starts in infection-fighting cells of the immune gadget, known as lymphocytes. These cells are within the lymph nodes, spleen, thymus, bone marrow, and different components of the frame.