Carcinoma, Signet Ring CellCarcinoma in SituAdenocarcinoma, MucinousStomach NeoplasmsCarcinomaAppendiceal NeoplasmsUmbilicusCarcinoma, Intraductal, NoninfiltratingCarcinoma, Squamous CellImmunohistochemistryCarcinoma, Ductal, BreastNeoplasm InvasivenessCarcinoma, HepatocellularMicrosatellite InstabilityCarcinoma, LobularGastrectomyAdenocarcinomaRare DiseasesBreast NeoplasmsMucinsProto-Oncogene Proteins B-rafCadherinsNeoplasm StagingPeritoneal NeoplasmsColorectal NeoplasmsPyloric AntrumEndoscopy, GastrointestinalBreastLoss of HeterozygosityPrognosisras ProteinsHistocytochemistryBreast DiseasesPrecancerous ConditionsCarcinoma, PapillaryRats, Inbred WFTumor Markers, BiologicalHyperplasiaMicrosatellite RepeatsAlcian BlueLiver NeoplasmsSurvival AnalysisCarcinoma, Basal Cell