Colon, SigmoidSigmoid DiseasesSigmoid NeoplasmsIntestinal VolvulusVena Cava, InferiorDiverticulitis, ColonicInferior ColliculiColonic NeoplasmsDiverticulum, ColonColon, DescendingCranial SinusesColostomyColonic DiseasesColectomyIntestinal PerforationIntestinal ObstructionMesenteric Artery, InferiorColonoscopyMesocolonRectumColon, AscendingIntestinal MucosaIntestinal FistulaColonColon, TransverseTomography, X-Ray ComputedMandibular NerveAdenocarcinomaMagnetic Resonance ImagingRectal NeoplasmsCecal NeoplasmsLaparoscopyOlivary NucleusSigmoidoscopyInferior Wall Myocardial Infarction46, XX Disorders of Sex DevelopmentGastrointestinal MotilitySinus Thrombosis, IntracranialTreatment OutcomeDiverticulitisIntestine, LargeColorectal NeoplasmsCerebral VeinsSubcutaneous EmphysemaBarium SulfateRadiography, AbdominalAnastomosis, SurgicalEnemaHT29 CellsIntestinal PolypsMegacolonTime FactorsBrain MappingColonic Diseases, FunctionalMesenteric CystAzoxymethaneDiverticulumColitis, IschemicAdenomaProlapseVena Cava FiltersRetrospective StudiesColitis, UlcerativeSurgical StaplingPhlebographyCecumTemporal LobeTransverse SinusesGangreneAzygos VeinFatal OutcomeColitisAcoustic StimulationEpigastric ArteriesConstipationAuditory PathwaysRectal DiseasesFrontal LobeGastrointestinal HemorrhageDigestive System Surgical ProceduresSurgically-Created StructuresColonoscopesPostoperative ComplicationsColonic PolypsMastoidFunctional LateralityPneumoperitoneumOculomotor MusclesMediastinal EmphysemaTurbinatesParietal LobeImage Processing, Computer-AssistedCentral Nervous System Vascular MalformationsDose-Response Relationship, DrugCystoscopesFollow-Up StudiesBrachytherapyForeign-Body MigrationAbdominal PainThigh