ColonColitis, UlcerativeIntestinal MucosaCrohn DiseaseBiopsyGastric MucosaRectumBiopsy, NeedleColonic DiseasesDuodenumColonic NeoplasmsMucous MembraneDuodenitisGastritisColitis, LymphocyticTuberculosis, GastrointestinalStomach DiseasesCeliac DiseasePouchitisInflammatory Bowel DiseasesColonoscopyIleumGastroscopyJejunumHelicobacter pyloriIntestine, SmallHelicobacter InfectionsEsophagusPyloric AntrumEndoscopyGlutensBarrett EsophagusEndoscopy, GastrointestinalColonic PolypsStomach UlcerEsophagitisPrecancerous ConditionsMetaplasiaBronchoscopyImmunohistochemistryStomachIrritable Bowel SyndromeEpitheliumBronchiColitisDiarrheaChronic DiseaseImage-Guided BiopsyCase-Control StudiesRNA, MessengerGastrointestinal TransitSensitivity and SpecificityColonic Pseudo-ObstructionBiopsy, Large-Core NeedlePolymerase Chain ReactionDiverticulosis, ColonicOrgan Culture TechniquesImmunoglobulin AGastrointestinal MotilityStomach NeoplasmsBiopsy, Fine-NeedleMicroscopy, ElectronReverse Transcriptase Polymerase Chain ReactionProspective StudiesEnzyme-Linked Immunosorbent AssayDiverticulitis, ColonicDextran SulfateSentinel Lymph Node BiopsyAzoxymethaneColonic Diseases, FunctionalTrinitrobenzenesulfonic AcidDiverticulum, ColonDefecationColon, SigmoidConstipationAdenomaAdenocarcinomaDimethylhydrazinesRetrospective StudiesColitis, IschemicFecesEnema1,2-DimethylhydrazineMucinsIntestinal PolypsColectomyColonic PouchesCecumLactuloseEpithelial CellsTime FactorsCaco-2 CellsIntestinal ObstructionFatty Acids, VolatileMucin-2Colorectal NeoplasmsIntestine, LargeHT29 CellsSigmoid DiseasesIntestines