Fig. 2From: Excluding the ischiorectal fossa irradiation during neoadjuvant chemoradiotherapy with intensity-modulated radiotherapy followed by abdominoperineal resection decreases perineal complications in patients with lower rectal cancerSurvival analysis. a, b, c Kaplan-Meier estimation of local recurrence free survival (LRFS), overall survival (OS) and distant relapse free survival. Abbreviation: IRF = ischiorectal fossa irradiation; NIRF = without ischiorectal fossa irradiationBack to article page