Ileal NeoplasmsIntestinal NeoplasmsJejunal NeoplasmsAdenocarcinomaDuodenal NeoplasmsIntestine, SmallCeliac DiseaseMicrosatellite InstabilityComparative Genomic HybridizationGenes, APCIntestinal ObstructionInflammatory Bowel DiseasesCapsule EndoscopyShort Bowel SyndromeIleal DiseasesIntestinal DiseasesIrritable Bowel SyndromeJejunal DiseasesAdenocarcinoma, MucinousCrohn DiseaseLung NeoplasmsPancreatic NeoplasmsEsophageal NeoplasmsGastrointestinal TransitIntestinal PerforationJejunumAdenocarcinoma, PapillaryIntestinal MucosaIleumBarrett EsophagusStomach NeoplasmsEndoscopy, GastrointestinalCarcinoma, Pancreatic DuctalAdenocarcinoma, Bronchiolo-AlveolarDouble-Balloon EnteroscopyCapsule EndoscopesImmunohistochemistryGastrointestinal MotilityBezoarsLaparotomyGastrointestinal HemorrhageColonic NeoplasmsCardiaColonColitis, UlcerativeDigestive System Surgical ProceduresIntussusceptionIleostomyTissue AdhesionsIntestinal AtresiaTumor Markers, BiologicalBarium SulfatePrognosisAbdominal PainDuodenumCecal NeoplasmsColonic DiseasesIleitisIntestinesIntestinal FistulaEsophagogastric JunctionIleusNeoplasm StagingDiatrizoate MeglumineRetrospective StudiesHerniaMalabsorption SyndromesIleocecal ValveTomography, X-Ray ComputedIntestine, LargeNeoplasms, Multiple PrimaryTreatment Outcome