Hematocrit (Hct) >= % within days of enrollment to study DONOR: Has not developed a new malignancy requiring chemotherapy or radiation in the interval since apheresis for initial hematocrit (HCT) Hematocrit (Hct) less than or equal to % Prior to cyclophosphamide and T cell infusions: hematocrit (Hct) =< % or hemoglobin (Hb) =< g/dL Hematocrit (Hct) =< % or hemoglobin (Hb) =< g/dL Hematocrit (HCT) >= % Hematocrit (HCT) >= %