Objective To evaluate the impact of neoadjuvant chemoradiation on perineal wound healing following abdominoperineal resection ( APR) for lower rectal cancer. Methods Data of 93patients who underwent APR for low rectal cancer between January 2005 and January 2009 in Peking Union Medical College Hospital were reviewed,including patients who received neoadjuvant Objective To evaluate the impact of neoadjuvant chemoradiation on perineal wound healing following abdominoperineal resection (APR) for lower rectal cancer. Methods Data of 93patients who underwent APR for low rectal cancer between January 2005 and January 2009 in Peking Union Medical College Hospital were reviewed, including patients who received neoadjuvant