Colonic PouchesProctocolectomy, RestorativeSurgical StaplingAnastomosis, SurgicalIleostomyUltrasonic Surgical ProceduresColitis, UlcerativeAdenomatous Polyposis ColiPouchitisAnal CanalIleitisIleumArteriovenous AnastomosisColectomyDefecationRectumIntestinal MucosaFecal IncontinencePostoperative ComplicationsCheekSurgical StaplersAnastomosis, Roux-en-Y