- Arm II: Patients receive cisplatin IV over 24 hours every 15 days for a maximum of 5 additional courses. Tumor response is evaluated after the second course. Patients with responsive disease receive another 2 courses of cisplatin. Patients with resectable tumors after 4 courses undergo delayed primary surgery, then receive 2 more courses of cisplatin. Patients whose tumors are still unresectable after 4 courses receive 2 more courses of cisplatin, then undergo surgery if their tumors are resectable. Patients with stable disease may be moved to the high risk regimen or considered for radical surgery. Patients with unresectable tumors after 6 courses may be considered for liver transplant or salvage chemotherapy.