Stereotactic body radiotherapy and high-dose rate brachytherapy boost in combination with intensity modulated radiotherapy for localized prostate cancer: a single-institution propensity score matched analysis.

To perform a propensity-score matched analysis comparing SBRT boost and HDR boost for localized prostate cancer.

A single-institution retrospective chart review was conducted of men treated with pelvic external beam radiotherapy (EBRT) and SBRT boost (21Gy/19Gy in 2 fractions) to the prostate for prostate cancer.