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 diagnosis who are (a) older than 65 years and \< 75 years with a Karnofsky score \>= 70 and who, apart from age, fulfill eligibility criteria, or (b) \< 66 years but ineligible solely because of renal dysfunction; these patients must be approved for transplant by both PCC and the principal investigator
* DONOR: Human leukocyte antigen (HLA) genotypically identical sibling
* DONOR: Donor must consent to filgrastim (G-CSF) administration and leukapheresis
* DONOR: Donor must have adequate veins for leukapheresis or agree to placement of central venous catheter (femoral, subclavian)
* DONOR: Age \< 75

Exclusion Criteria:

* Eligible for autologous transplantation
* Patients with rapidly progressive high grade NHL
* History of central nervous system (CNS) involvement with disease
* Fertile men or women unwilling to use contraceptive techniques during and for 12 months following treatment
* Females who are pregnant
* Patients with a creatinine clearance \< 50 ml/min
* Cardiac ejection fraction \< 40% or cardiac failure requiring therapy
* Severe defects in pulmonary function testing (defects are currently categorized as mild, moderate and severe) as defined by the pulmonary consultant, or receiving supplementary continuous oxygen
* Total bilirubin \> 2 x the upper limit of normal
* Serum glutamate pyruvate transaminase (SGPT) and serum glutamic oxaloacetic transaminase (SGOT) 4 x the upper limit of normal
* Karnofsky score \< 50
* Patients with poorly controlled hypertension
* DONOR: Identical twin
* DONOR: Age less than 12 years
* DONOR: Pregnancy
* DONOR: Infection with human immunodeficiency virus (HIV)
* DONOR: Inability to achieve adequate venous access
* DONOR: Known allergy to G-CSF
* DONOR: Current serious systemic illness
* DONOR: Failure to meet Fred Hutchinson Cancer Research Center (FHCRC) criteria for donation as described in the Standard Practice Guidelines