Neoplasm MicrometastasisSentinel Lymph Node BiopsyLymph NodesLymphatic MetastasisTechnetium Tc 99m Sulfur ColloidTechnetium Tc 99m Aggregated AlbuminRosaniline DyesBone Marrow NeoplasmsRadiopharmaceuticalsLymph Node ExcisionLymphKeratinsAxillaNeoplasm StagingBreast NeoplasmsNeoplasm MetastasisImmunohistochemistrySensitivity and SpecificityPrognosisKeratin-20HematoxylinFrozen SectionsNeoplastic Cells, CirculatingMammaglobin BStomach NeoplasmsNeoplasm InvasivenessReverse Transcriptase Polymerase Chain ReactionLung NeoplasmsTumor Markers, BiologicalCarcinoembryonic AntigenCarcinomaMelanomaColorectal NeoplasmsAdenocarcinomaKeratin-19Liver NeoplasmsSkin NeoplasmsPredictive Value of TestsSurvival AnalysisNeoplasm Recurrence, LocalBone MarrowMice, NudeRetrospective StudiesSurvival RateNeoplasm TransplantationImmunoenzyme TechniquesPancreatic NeoplasmsRNA, MessengerFollow-Up StudiesPolymerase Chain ReactionNeoplasmsAntibodies, MonoclonalMicrotomyTime FactorsChemotherapy, AdjuvantTuberculosis, Lymph NodeBile Duct NeoplasmsDisease-Free SurvivalLymphatic DiseasesFalse Negative ReactionsMesentery