 - Arm I: Patients undergo EBRT once daily on days 1-5 for about 9 weeks 44 treatments. Some patients instead receive EBRT with high-dose rate or low-dose rate brachytherapy implant on days 1-5 for about 5 weeks 25 treatments. NOTE: Type of RT is at discretion of treating physician and may include either 3D-conformal RT or intensity-modulated RT. 