Colonic PouchesProctocolectomy, RestorativeSurgical StaplingIleostomyAnastomosis, SurgicalUltrasonic Surgical ProceduresColitis, UlcerativeColectomyAdenomatous Polyposis ColiPouchitisAnal CanalIleitisIleumArteriovenous AnastomosisRectumDefecationPostoperative ComplicationsIntestinal MucosaFecal IncontinenceCheekColonic DiseasesSurgical StaplersAnastomosis, Roux-en-Y