Colonic PouchesProctocolectomy, RestorativeAnal CanalSurgical StaplingAnastomosis, SurgicalIleostomyUltrasonic Surgical ProceduresManometryColitis, UlcerativePressureAdenomatous Polyposis ColiPouchitisScala VestibuliEar CanalAnus NeoplasmsIleitisFecal IncontinenceRectumIleumAnus DiseasesArteriovenous AnastomosisDefecationSemicircular CanalsBlood PressureColectomySpinal CanalProctoscopyPostoperative ComplicationsIntestinal MucosaCheekAdenoma, VillousRoot Canal PreparationSurgical StaplersHemorrhoidsFissure in AnoAnastomosis, Roux-en-Y