If you are found to be eligible to take part in this study, you will receive gemcitabine, capecitabine, and bevacizumab on a 28 day cycle. Capecitabine will be taken by mouth (with food), twice daily, on Days 1-21. Gemcitabine will be given through a needle in your vein in your arm over 30 minutes on Days 1 and 15. Bevacizumab will be given through a needle in your vein in your arm on Days 1 and 15. It will be given over 120 minutes for Cycle 1 and over 60 minutes for all other cycles. Your doctor may decided to give you bevacizumab over 30 minutes if you tolerate the treatment well.