Bone Marrow Transplantation in Treating Patients With Hematologic Cancer

DISEASE CHARACTERISTICS: Histologically proven malignancy or condition of the following types: Acute myelogenous leukemia (not M5 or M6) or lymphocytic leukemia in first or greater remission or early relapse OR Chronic myelogenous leukemia OR Myelodysplastic syndrome OR Aggressive or refractory non-Hodgkin's lymphoma OR Aggressive or refractory Hodgkin's disease OR Multiple myeloma at early relapse or after conventional chemotherapy to reduce tumor mass OR High risk chronic lymphocytic leukemia OR Aplastic anemia HLA-matched or 1 antigen mismatched (related or unrelated) available as donor

PATIENT CHARACTERISTICS: Age: 50 and under Performance status: Karnofsky 70-100% Life expectancy: Greater than 8 weeks Hematopoietic: Not specified Hepatic: Bilirubin less than 2 mg/dL SGOT less than 4 times upper limit of normal (ULN) Renal: Creatinine less than 2 times ULN OR Creatinine clearance greater than 60 mL/min Cardiovascular: LVEF at least 50% by MUGA Pulmonary: DLCO at least 50% Other: HIV negative No active extramedullary disease Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception

PRIOR CONCURRENT THERAPY: See Disease Characteristics