Fig. 2From: Urinary tract diversion with gastric conduit after total pelvic exenteration for Crohn’s disease-related anorectal cancer: a case reportTransanal total mesorectal excision a The rendezvous point is used to identify the internal pudendal vessels (yellow dashed line) from the perineal side. b The ischial spine (yellow dashed line) was identified, and the obturator internus muscle was dissected, exposing the boneBack to article page