Carcinoma, Signet Ring CellMucinsMucin 5ACAdenocarcinomaAdenocarcinoma, MucinousErigeronRespiratory MucosaMucin-2Stomach NeoplasmsMucin-5BCarcinoma, MucoepidermoidGoblet CellsGastric MucinsAppendiceal NeoplasmsPseudomyxoma PeritoneiVanadium CompoundsUmbilicusAlcian BlueMetaplasiaMucusReceptor, Epidermal Growth FactorLeukocyte ElastaseTransforming Growth Factor alphaImmunohistochemistryMicrosatellite InstabilityGastrectomyEpithelial CellsRare DiseasesColonic NeoplasmsNeoplasm StagingColorectal NeoplasmsInterleukin-13Lung NeoplasmsPancreatic NeoplasmsGallbladder NeoplasmsPeritoneal NeoplasmsCadherinsCell Line, TumorProto-Oncogene Proteins B-rafGastric MucosaEsophageal NeoplasmsLungRectal NeoplasmsPrognosisras ProteinsAdenocarcinoma, PapillaryEndoscopy, GastrointestinalBarrett EsophagusCarcinoma, Pancreatic DuctalPyloric AntrumAppendectomyLoss of HeterozygosityAdenocarcinoma, Bronchiolo-AlveolarHistocytochemistryUp-RegulationNeoplasm InvasivenessRNA, MessengerTumor Markers, BiologicalMucin-1Microsatellite RepeatsSurvival AnalysisCarcinomaMutationCardiaGene Expression RegulationPhosphorylationCells, CulturedMucin-4Retrospective StudiesSignal Transduction