Low-Dose Total Body Irradiation and Donor Peripheral Blood Stem Cell Transplant Followed by Donor Lymphocyte Infusion in Treating Patients With Non-Hodgkin Lymphoma, Chronic Lymphocytic Leukemia, or Multiple Myeloma

Inclusion Criteria: * Patients aged \> 49 years and \< 66 years with NHL, CLL and multiple myeloma who are not eligible for autologous transplantation or have failed prior autologous transplantation; patients with NHL and CLL must have failed prior therapy with an alkylating agent and/or fludarabine; patients with multiple myeloma must have stage II or III disease and received prior chemotherapy * Patients \< 50 years of age with NHL, CLL and multiple myeloma at high risk of regimen related toxicity through prior autologous transplant or through pre-existing chronic disease affecting kidneys, liver, lungs, and heart will be considered on a case by case basis and presented to professional clinical counselor (PCC) * Patients \< 66 years of age with other diseases treatable by allogeneic bone marrow transplant (BMT) whom through pre-existing chronic disease affecting kidneys, liver, lungs, and heart are considered to be at high risk for regimen related toxicity using standard high dose regimens; autografting must also be contraindicated in these patients and they must be approved for this protocol by both PCC and by the principal investigator; the following diseases are the likely candidates but other less common diseases may be considered and approved by PCC: * Myelodysplastic syndromes * Myeloproliferative syndromes * Acute leukemia in remission * Chronic myelogenous leukemia (CML) in 2nd chronic phase * Hodgkin's disease * Selected patients with any of the above d…