PATIENT CHARACTERISTICS: Age: 15 to 65 Performance status: Not specified Life expectancy: At least 6 months based on any concurrent nonmalignant disease Hematopoietic: Not specified Hepatic: Bilirubin no greater than 2 times upper limit of normal (ULN) (unless due to CML) SGOT and SGPT no greater than 2 times ULN (unless due to CML) Renal: Creatinine no greater than 1.4 mg/dL Cardiovascular: Cardiac ejection fraction at least 45% Pulmonary: DLCO at least 50% predicted Other: HIV negative Donor Entry Criteria: HLA-identical family member No psychological, physiological, or medical condition that would preclude harvest of peripheral blood stem cells or bone marrow HIV negative Hepatitis A, B, and C antigen negative Negative pregnancy test Age 12 years and over