PATIENT CHARACTERISTICS: Age: 18 and over Performance Status: Karnofsky 40-100% Life Expectancy: At least 4 months Hematopoietic: Hemoglobin at least 10 g/dL Platelet count at least 75,000/mm3 Absolute granulocyte count at least 1,000/mm3 PT within 3 seconds of institutional norm Hepatic: SGPT no greater than 3 times upper limit of normal (ULN) SGOT no greater than 3 times ULN Child-Pugh grade A or B Albumin at least 25 g/L Bilirubin no greater than 2.98 mg/dL Absent or easily controlled ascites not requiring routine or intermittent paracentesis Alkaline phosphatase no greater than 2.5 times ULN Renal: Creatinine no greater than 1.3 times ULN OR Creatinine clearance at least 45 mL/min Cardiovascular: No coronary artery disease No New York Heart Association class III or greater cardiac symptoms Other: Not pregnant or nursing No medical or psychiatric condition compromising informed consent No obesity or tumor location that would limit adequate tumor imaging No history of bleeding from liver tumor(s) or gastroesophageal bleeding No known hypersensitivity to cisplatin, bovine collagen, epinephrine, sulfites or radiographic contrast agents No history of encephalopathy