A chimeric lymphoma vaccine generated by combining the recipient's Ig idiotype (Id) protein with keyhole limpet hemocyanin (KLH), an immune stimulant, with potential antineoplastic activity. Vaccination with KLH-Lymphoma Ig Vaccine may stimulate the host immune system to mount a cytotoxic T lymphocyte (CTL) response against lymphoma cells, resulting in decreased tumor growth. (NCI04) [ ]