- Determine the maximum tolerated dose (MTD) of hepatic arterial infusion of floxuridine (FUDR) and dexamethasone given via an implanted pump in combination with weekly intravenous irinotecan as adjuvant treatment after resection of hepatic metastases in patients with hepatic metastases from colorectal cancer. (The MTDs of irinotecan and floxuridine have been reached as of 10/15/03; phase I closed to accrual as of 10/15/03.)