PATIENT CHARACTERISTICS: Age: Physiologic 65 and under Performance status: ECOG 0-2 Life expectancy: At least 2 months Hematopoietic: Not specified Hepatic: Not specified Renal: Creatinine less than 1.5 mg/dL OR Creatinine clearance greater than 50 mL/min Cardiovascular: No active heart disease No congestive heart failure No myocardial infarction in the last 3 months No significant arrhythmia requiring medication Pulmonary: No significant nonneoplastic pulmonary disease No chronic obstructive pulmonary disease Diffusing capacity at least 50% predicted OR FEV1 and/or FVC at least 75% predicted (unless due to NHL or Hodgkin's disease) Other: HIV negative No clinical evidence of AIDS