Gastrointestinal Toxicity and Colorectal Cancer Screening in the Setting of Prostate Brachytherapy

Fecal immunochemical testing (FIT) is an accepted method for colorectal cancer screening. The impact of prostate brachytherapy/radiotherapy on the accuracy of this method is unknown. The reported rate of FIT positivity in average-risk patients in the literature is 6-7%. We aim to compare this to the FIT positivity rate in patients screened after undergoing combined high-dose-rate (HDR) and external radiotherapy for prostate cancer and report on GI outcomes after combination therapy. (Source: Brachytherapy)

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