PATIENT CHARACTERISTICS: Age: 18 to 80 Performance status: Karnofsky 70-100% Life expectancy: Greater than 6 months Hematopoietic: Absolute granulocyte count at least 1,500/mm3 Platelet count at least 150,000/mm3 Hepatic: Bilirubin no greater than 1.5 mg/dL Renal: Creatinine no greater than 1.5 mg/dL Cardiovascular: No symptomatic heart disease At least 6 months since prior myocardial infarction Pulmonary: See Disease Characteristics Forced expiratory volume at one second (FEV1) greater than 0.8 L No uncontrolled bronchospasm in unaffected lung Other: No other serious concurrent illness No prior or concurrent malignancy within the past 2 years except curatively treated basal cell or squamous cell skin cancer or carcinoma in situ of the cervix No other concurrent malignancy No history of uncontrolled psychiatric illness, severe head injury, chronic alcohol or drug abuse, or central nervous system disease Fertile patients must use effective contraception