PATIENT CHARACTERISTICS: Age: 18 and over Performance status: ECOG 0-2 Life expectancy: At least 12 weeks Hematopoietic: Hemoglobin at least 9.0 g/dL Neutrophil count at least 1,500/mm3 Platelet count at least 80,000/mm3 Hepatic: See Disease Characteristics SGOT/SGPT no greater than 4 times upper limit of normal Any cause of underlying liver disease including hepatitis B or C allowed Renal: Creatinine no greater than 2.0 mg/dL Cardiovascular: No poor cardiac function No myocardial infarction within the past 6 months No poorly controlled arrhythmia No congestive heart failure LVEF at least 45% by MUGA Other: No active hepatic encephalopathy No other active malignancies except curatively treated nonmelanoma skin cancer or carcinoma in situ of the cervix HIV negative No immunodeficiency Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception