Under arms 2. Chest, and 5. Abdomen Other parts of the lymphatic system are the spleen, thymus, tonsils, and bone marrow. Lymphatic tissue is also found in other parts of the body, including the stomach, intestines, and skin. Like all types of cancer, lymphomas are diseases of the body's cells.
Healthy cells grow, divide, and replace themselves in an orderly manner.
This process keeps the body in good repair. In the non-Hodgkin's lymphomas, cells in the lymphatic system grow abnormally. They divide too rapidly and grow without any order. Too much tissue is formed, and tumors begin to grow. The cancer cells can also spread to other organs.