OUTLINE: Patients are stratified according to disease (follicular small cleaved cell non-Hodgkin's lymphoma vs relapsed Hodgkin's disease). Patients receive rituximab IV over 4-6 hours on day 1 weekly for 4 weeks. Patients are followed at 1, 3, 6, 9, and 12 months, then every 6 months for 3 years, then annually thereafter.