Sphincter of OddiPostcholecystectomy SyndromeAnal CanalManometryEsophagogastric JunctionSphincter of Oddi DysfunctionEsophageal Sphincter, UpperFecal IncontinenceUrinary Sphincter, ArtificialPressureUrethraEsophagusIrisCommon Bile Duct DiseasesPeristalsisGastroesophageal RefluxOpossumsAmpulla of VaterEsophageal AchalasiaDeglutitionLacerationsAnus DiseasesRectumMuscle RelaxationUrodynamicsMuscle, SmoothMuscle ContractionFissure in AnoPerineumRectal ProlapseUrinary Bladder, Neurogenic