Colon, SigmoidSigmoid DiseasesSigmoid NeoplasmsIntestinal VolvulusDiverticulitis, ColonicDiverticulum, ColonIntestinal PerforationColonic DiseasesColonoscopyColon, DescendingColectomyColostomyColonic NeoplasmsIntestinal ObstructionRectumColonIntestinal Fistula46, XX Disorders of Sex DevelopmentMesenteric CystSigmoidoscopyMesocolonDiverticulosis, ColonicProlapseRadiography, AbdominalRectal NeoplasmsDiverticulitisBarium SulfatePneumoperitoneumColonic PolypsIntestine, LargeAdenocarcinomaColonic Diseases, FunctionalEnemaIntestinal PolypsLaparoscopyIntestinal MucosaCecal NeoplasmsGastrointestinal MotilityFatal OutcomeCranial SinusesActinomycosisColitis, IschemicTomography, X-Ray ComputedGangreneConstipationMelenaCecumGastrointestinal HemorrhageAppendiceal NeoplasmsColorectal NeoplasmsColitis, UlcerativeIntrauterine Device MigrationAdenomaVascular FistulaAbdominal PainAnastomosis, SurgicalNeoplasms, Multiple PrimaryForeign BodiesEndometriosisManometry