Stratum I: Patients undergo prophylactic radiotherapy on days 1-5 and 8-12. Patients receive paclitaxel IV over 3 hours and carboplatin IV over 30-60 minutes on day 15. Patients also receive paclitaxel IV over 3 hours or carboplatin IV over 30-60 minutes and bevacizumab IV over 30-90 minutes on day 36 (course 2).