The present invention concerns methods for the treatment of diffuse large cell lymphoma by administration of an anti-CD20 antibody and chemotherapy. Particular embodiments include the administration of anti-CD20 antibody in combination with chemotherapy comprising CHOP (cyclophosphamide, hydroxydaunorubicin/doxorubicin, vincristine, and prednisone/prednisolone) and/or in combination with a transplantation regimen.
