Neoplasm MicrometastasisLymph NodesLymphatic MetastasisKeratinsSentinel Lymph Node BiopsyImmunohistochemistryPrognosisBone Marrow NeoplasmsLymph Node ExcisionCell Line, TumorLymphNeoplasm StagingNeoplasm MetastasisKeratin-20Breast NeoplasmsFrozen SectionsTumor Markers, BiologicalAxillaHematoxylinStomach NeoplasmsNeoplastic Cells, CirculatingReverse Transcriptase Polymerase Chain ReactionKeratin-19Tumor Cells, CulturedMammaglobin BNeoplasm InvasivenessLung NeoplasmsAdenocarcinomaMice, NudeSensitivity and SpecificityNeoplasm TransplantationSurvival AnalysisCarcinomaCarcinoembryonic AntigenNeoplasmsRNA, MessengerLiver NeoplasmsTransplantation, HeterologousNeoplasms, ExperimentalBile Duct NeoplasmsMelanomaRetrospective StudiesBone MarrowSurvival RateNeoplasm Recurrence, LocalAntibodies, MonoclonalColorectal NeoplasmsImmunoenzyme TechniquesPancreatic NeoplasmsSkin NeoplasmsTumor BurdenPredictive Value of Tests