 The treatments used in this program include several standard chemotherapy agents fludarabine, mitoxantrone, and dexamethasone. Also, immune therapy agents will be given, including rituximab a monoclonal antibody that attacks B-cells, which is what this type of lymphoma is made of, and Ibritumomab tiuxetan another similar monoclonal antibody, which delivers radiation to the lymphoma cells to strengthen the attack. 