OBJECTIVES:
* Determine whether stem cell augmented, elutriated grafts prevent graft versus host disease in patients undergoing allogeneic bone marrow transplantation.
OUTLINE: Patients receive elutriated CD34+ augmented donor bone marrow on day 0.
Bone marrow samples are obtained before day 100, around 6 months, and 1 year after transplant.
PROJECTED ACCRUAL: Not specified