Carcinoma, Signet Ring CellAdenocarcinomaAdenocarcinoma, MucinousStomach NeoplasmsAppendiceal NeoplasmsLung NeoplasmsPancreatic NeoplasmsEsophageal NeoplasmsImmunohistochemistryAdenocarcinoma, PapillaryBarrett EsophagusCarcinoma, Pancreatic DuctalAdenocarcinoma, Bronchiolo-AlveolarUmbilicusColonic NeoplasmsNeoplasm StagingTumor Markers, BiologicalCardiaGastrectomyAlcian BluePrognosisMucinsColorectal NeoplasmsMicrosatellite InstabilityRectal NeoplasmsGallbladder NeoplasmsEsophagogastric JunctionNeoplasm InvasivenessRare Diseasesras ProteinsKeratin-7Gene Expression Regulation, NeoplasticCell Line, TumorCadherinsPeritoneal NeoplasmsLoss of HeterozygosityGastric MucosaProto-Oncogene Proteins B-rafCarcinoma, Squamous CellEndometrial NeoplasmsSurvival AnalysisNeoplasms, Multiple PrimaryPrecancerous ConditionsIntestinal NeoplasmsMutationEndoscopy, GastrointestinalProstatic NeoplasmsRetrospective StudiesCarcinomaHistocytochemistryTumor Cells, CulturedDuodenal NeoplasmsCarcinoma, EndometrioidCecal NeoplasmsMammary Neoplasms, ExperimentalAdenocarcinoma, Clear CellMicrosatellite RepeatsMetaplasiaPyloric AntrumImmunoenzyme TechniquesAppendectomyChromosomes, Human, Pair 18DNA Mutational AnalysisAmpulla of VaterGenes, rasCommon Bile Duct NeoplasmsKeratin-20Tissue Array AnalysisIleal NeoplasmsAdenomaPancreaticoduodenectomyDNA, NeoplasmJejunal NeoplasmsSurvival RateProto-Oncogene ProteinsNeoplasm MetastasisLymphatic MetastasisNeoplasm ProteinsCarcinoma, Non-Small-Cell LungCarcinoma, AdenosquamousCyclin-Dependent Kinase Inhibitor p16Carcinoembryonic AntigenCarcinoma, Acinar CellNeoplasm TransplantationEsophagusDisease ProgressionMice, NudeRNA, MessengerFatty Acid SynthasesParanasal Sinus NeoplasmsCarcinoma in SituReceptor, Epidermal Growth FactorAntineoplastic AgentsKaplan-Meier EstimateReverse Transcriptase Polymerase Chain ReactionBiopsyPancreatectomyFatal OutcomeO(6)-Methylguanine-DNA MethyltransferaseAntigens, Neoplasm