 Arm A: Patients receive doxorubicin IV, cyclophosphamide IV over 20-30 minutes, and bevacizumab IV over 30-90 minutes on day 1. Patients also receive filgrastim G-CSF subcutaneously SQ on days 2-11 or pegfilgrastim SC on day 2. Treatment repeats every 14 days for 4 courses. Patients then receive paclitaxel IV over 3 hours and bevacizumab IV over 30-90 minutes on day 1. Patients also receive G-CSF or pegfilgrastim as above. Treatment with paclitaxel, bevacizumab, and G-CSF or pegfilgrastim repeats every 14 days for 4 courses. Patients then receive bevacizumab alone every 14 days for up to 18 courses. 