PATIENT CHARACTERISTICS: Age: Any age Performance status: Karnofsky 60-100% Life expectancy: Not specified Hematopoietic: Not specified Hepatic: Bilirubin less than 1.5 times normal SGOT less than 1.5 times normal Renal: Creatinine clearance greater than 50 mL/min Pulmonary: Left ventricular ejection fraction greater than 45% DLCO greater than 40% Other: Not pregnant or lactating No medical or psychiatric illness preventing informed consent or intensive treatment