Rectal Spacers in Prostate Cancer Patients Undergoing Radiation Therapy

Eligibility Criteria

Inclusion Criteria:

1. Patients with prostate cancer ≥ 18 years of age.
2. Patients are in one of the following risk groups:

* T1-T3 prostate cancer with no posterior extra capsular extension
* Gleason score ≤ 7
3. Planned for radiation treatment with rectal spacer.
4. Ability to understand and the willingness to sign a written informed consent form.

Exclusion Criteria:

1. Metastatic disease.
2. Previously treated localized adenocarcinoma of the prostate.
3. Active Inflammatory bowel disease requiring treatment with steroids.
4. Prior total prostatectomy.
5. Current urinary tract infection.
6. Acute or chronic prostatitis.