The purpose of this study is to evaluate the safety of the SpaceOAR System when the hydrogel is injected between the rectum and prostate in men undergoing radiation therapy (IG-IMRT) and to evaluate whether use of the SpaceOAR hydrogel results in a reduction of radiation exposure to the anterior rectum.
Evaluate the safety of the SpaceOAR System when the hydrogel is injected between the rectum and prostate in men undergoing radiation therapy (IG-IMRT)