Post-prostatectomy Radiation Therapy--Moderate Versus Ultra-hypofractionated (Also Known as Stereotactic Body Radiation Therapy [SBRT])

Exclusion Criteria

• •Prior history of pelvic radiation therapy
• •History of moderate/severe or active Crohn's disease or ulcerative colitis
• •History of bladder neck or urethral stricture
• •Evidence of distant metastatic disease or nodal involvement beyond the common iliac vessels
• •Initiation of androgen deprivation therapy with a LHRH / GnRH agonist or antagonist greater than 6 months prior to enrollment or receipt of any non-LHRH / GnRH agonist or antagonist androgen deprivation or anti-androgen therapy
• •History of another invasive malignancy within the previous 3 years except for adequately treated squamous or basal cell skin cancer
• •Any condition that in the opinion of the investigator would preclude participation in this study