Ampulla of VaterAdenocarcinomaCommon Bile Duct NeoplasmsFallopian TubesPancreaticoduodenectomyPancreatic NeoplasmsAdenocarcinoma, MucinousDuodenal NeoplasmsLung NeoplasmsEsophageal NeoplasmsBiliary Tract NeoplasmsAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalAdenocarcinoma, Bronchiolo-AlveolarStomach NeoplasmsCarcinoma, Signet Ring CellImmunohistochemistrySperm TransportDuodenoscopyKeratin-7Ovum TransportCardiaNeoplasms, Multiple PrimaryTumor Markers, BiologicalHair Cells, AmpullaBile Duct NeoplasmsJaundiceColonic NeoplasmsPrognosisNeoplasm StagingCholangiopancreatography, Endoscopic RetrogradePancreatic DuctsEndolymphCarcinoid TumorSemicircular CanalsKeratin-20Esophagogastric JunctionAdenomaCarcinoma, NeuroendocrineGallbladder NeoplasmsOviductsPancreatectomyKrukenberg TumorCommon Bile Duct DiseasesSomatostatinomaCarcinoma, Large CellGene Expression Regulation, NeoplasticDuodenumCell Line, TumorCarcinoma, Squamous CellGallstonesEndometrial NeoplasmsSigmoid NeoplasmsDuodenoscopesDuodenal DiseasesImmunoenzyme TechniquesPrecancerous ConditionsCommon Bile DuctMixed Tumor, MalignantIntestinal NeoplasmsSurvival RateBiopsyRetrospective StudiesProstatic NeoplasmsCarcinomaPhotomicrographyBiliary Tract Surgical ProceduresFatal OutcomeTumor Cells, CulturedCarcinoma, EndometrioidCecal NeoplasmsMammary Neoplasms, ExperimentalNeoplasm InvasivenessAdenocarcinoma, Clear CellMetaplasiaEpitheliumTreatment OutcomeKaplan-Meier EstimateTomography, X-Ray ComputedSurvival AnalysisPancreatitisColorectal NeoplasmsRectal NeoplasmsOvulationSpermatozoaGenes, rasTakotsubo CardiomyopathyEndosonographyTissue Array AnalysisIleal NeoplasmsEstrusTime FactorsKi-67 AntigenPancreasDNA, NeoplasmJejunal NeoplasmsShrewsNeuroendocrine TumorsNeoplasm Metastasis