During each cycle (on Days 1 and 2), you will receive 5-fluorouracil by vein continuously over 24 hours, leucovorin by vein over 1 hour, oxaliplatin by your hepatic artery over 2 hours, and bevacizumab by vein (only on Day 1) over about 1 1/2 hours. This study drug combination will be repeated about every 3 weeks, which is considered 1 cycle (about every 21 days).