AdenocarcinomaAdenocarcinoma, MucinousLung NeoplasmsPancreatic NeoplasmsEsophageal NeoplasmsAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalAdenocarcinoma, Bronchiolo-AlveolarStomach NeoplasmsCardiaImmunohistochemistryTumor Markers, BiologicalColonic NeoplasmsIn Situ HybridizationEsophagogastric JunctionNeoplasm StagingCarcinoma in SituPrognosisIn Situ Hybridization, FluorescenceGene Expression Regulation, NeoplasticKeratin-7Cell Line, TumorCarcinoma, Squamous CellEndometrial NeoplasmsPrecancerous ConditionsNeoplasms, Multiple PrimaryIntestinal NeoplasmsProstatic NeoplasmsTumor Cells, CulturedNeoplasm InvasivenessDuodenal NeoplasmsCarcinoma, Signet Ring CellCarcinoma, EndometrioidCecal NeoplasmsMammary Neoplasms, ExperimentalMetaplasiaAdenocarcinoma, Clear CellImmunoenzyme TechniquesColorectal NeoplasmsRectal NeoplasmsGenes, rasAmpulla of VaterTissue Array AnalysisCommon Bile Duct NeoplasmsRNA, MessengerAdenomaKeratin-20Ileal NeoplasmsDNA, NeoplasmPancreaticoduodenectomyNeoplasm ProteinsSurvival RateNeoplasm MetastasisJejunal NeoplasmsLymphatic MetastasisCarcinoma, Non-Small-Cell LungCarcinoma, AdenosquamousNeoplasm TransplantationCarcinoma, Acinar CellCarcinoembryonic AntigenDisease ProgressionEsophagusSurvival AnalysisRetrospective Studies