PATIENT CHARACTERISTICS: Age: 15 and over Performance status: Not specified Hematopoietic: Not specified Hepatic: See Disease Characteristics Renal: Not specified Cardiovascular: See Disease Characteristics Pulmonary: See Disease Characteristics Other: No known AIDS, HIV-associated complex, or positive HIV antibody No other malignancy within past 5 years, except: Adequately treated basal or squamous cell skin cancer Adequately treated stage I or II cancer or other noninvasive cancers Carcinoma in situ of the cervix Not pregnant or nursing Fertile patients must use effective contraception