HIGH-RISK GROUP: (regimen H) Patients receive up front VIT chemotherapy comprising vincristine sulfate IV on days 1 and 8 and irinotecan hydrochloride IV over 90 minutes on days 1-5, and temsirolimus IV over 30 minutes on days 1 and 8. Treatment with VIT repeats every 21 days for 2 courses in the absence of disease progression or unacceptable toxicity. Patients with disease response then receive 6 courses of C5VD with 4 courses of VIT in between each 2-course block. Patients with no disease response receive 6 courses of C5VD in the absence of disease progression or unacceptable toxicity. Patients undergo tumor resection or liver transplant after course 4 of C5VD followed by 2 courses of adjuvant C5VD.