Colon, SigmoidSigmoid DiseasesSigmoid NeoplasmsIntestinal VolvulusDiverticulitis, ColonicColonic NeoplasmsDiverticulum, ColonColon, DescendingCranial SinusesColostomyColonic DiseasesColectomyIntestinal PerforationIntestinal ObstructionColonoscopyMesocolonRectumColon, AscendingIntestinal MucosaIntestinal FistulaColon, TransverseColonAdenocarcinomaCecal NeoplasmsRectal NeoplasmsSigmoidoscopyLaparoscopy46, XX Disorders of Sex DevelopmentGastrointestinal MotilitySinus Thrombosis, IntracranialDiverticulitisIntestine, LargeColorectal NeoplasmsSubcutaneous EmphysemaBarium SulfateCerebral VeinsEnemaHT29 CellsIntestinal PolypsMegacolonRadiography, AbdominalColonic Diseases, FunctionalMesenteric CystAzoxymethaneTomography, X-Ray ComputedDiverticulumAdenomaColitis, UlcerativeAnastomosis, SurgicalSurgical StaplingProlapseCecumColitis, IschemicTransverse SinusesGangreneColitisConstipationRectal DiseasesSurgically-Created StructuresColonoscopesColonic PolypsDigestive System Surgical ProceduresMastoidGastrointestinal HemorrhageFatal OutcomeMediastinal EmphysemaTreatment OutcomeCystoscopesPneumoperitoneumBrachytherapy1,2-DimethylhydrazineNeoplasms, Multiple PrimaryDose-Response Relationship, DrugNeurokinin ATime FactorsUrinary Bladder FistulaThighAbdomen, AcuteCecal DiseasesEndoscopy, GastrointestinalAppendiceal NeoplasmsAbdominal PainIleumMelena