Donor Natural Killer Cell Infusion in Preventing Relapse or Graft Failure in Patients Who Have Undergone Donor Bone Marrow Transplant

DISEASE CHARACTERISTICS:

* Has undergone HLA-haploidentical familial donor bone marrow transplantation within the past 4-6 weeks
* No manifestations of acute graft-vs-host disease at the time of planned donor natural killer cell infusion

PATIENT CHARACTERISTICS:

* Karnofsky performance status 70-100%
* Bilirubin \< 2.0 mg/dL
* AST \< 3 times upper limit of normal
* Creatinine \< 2.0 mg/dL
* Ejection fraction \> 40% on MUGA scan

PRIOR CONCURRENT THERAPY:

* See Disease Characteristics