Additional file 1: of Excluding the ischiorectal fossa irradiation during neoadjuvant chemoradiotherapy with intensity-modulated radiotherapy followed by abdominoperineal resection decreases perineal complications in patients with lower rectal cancer

Table S1. Treatment-related toxicity during chemoradiation. Table S2. Univariate and multivariate Cox proportional hazards model for distant relapse free survival. (DOCX 24 kb).