CardiaNeoplasm MicrometastasisStomach NeoplasmsAdenocarcinomaEsophageal NeoplasmsLymph NodesLymphatic MetastasisCarcinoma, Squamous CellChinaCase-Control StudiesSentinel Lymph Node BiopsyNeoplasm MetastasisRisk FactorsLymph Node ExcisionNeoplasm StagingBone Marrow NeoplasmsPrognosisNeoplasm InvasivenessImmunohistochemistryIncidenceBreast NeoplasmsTumor Markers, BiologicalAxillaLung NeoplasmsKeratinsGastrectomyRetrospective StudiesCarcinomaBarrett EsophagusEsophagogastric JunctionSurvival RateReverse Transcriptase Polymerase Chain ReactionKeratin-20Survival AnalysisLymphSwedenFrozen SectionsCell Line, TumorColorectal NeoplasmsKeratin-19Pancreatic NeoplasmsGene Expression Regulation, NeoplasticFollow-Up StudiesMice, NudeNeoplasm Recurrence, LocalSensitivity and SpecificityHematoxylinLiver NeoplasmsMultivariate AnalysisAdenocarcinoma, PapillaryMetaplasiaMelanomaAdenocarcinoma, MucinousRNA, MessengerDisease-Free SurvivalImmunoenzyme TechniquesPredictive Value of TestsGastric MucosaDisease ProgressionNeoplasm TransplantationProstatic NeoplasmsCarcinoembryonic AntigenTreatment OutcomeVascular Endothelial Growth Factor CThyroid NeoplasmsNeoplasms, Multiple PrimaryNeoplastic Cells, CirculatingBile Duct NeoplasmsTime FactorsCarcinoma, PapillaryMammaglobin BNeoplasm ProteinsCarcinoma, Signet Ring CellSkin NeoplasmsHelicobacter pyloriHelicobacter InfectionsNeck DissectionColonic NeoplasmsKaplan-Meier EstimateLymphatic VesselsProspective Studies