Neoplasm MicrometastasisLymph NodesLymphatic MetastasisBreastLymphBreast NeoplasmsLymph Node ExcisionCarcinoma, Ductal, BreastSentinel Lymph Node BiopsyReceptors, EstrogenPrognosisNeoplasm StagingCell Line, TumorReceptor, erbB-2Neoplasm InvasivenessBreast DiseasesAxillaReceptors, ProgesteroneNeoplasm MetastasisGene Expression Regulation, NeoplasticTamoxifenTumor Markers, BiologicalMammographyImmunohistochemistryBreast Neoplasms, MaleChemotherapy, AdjuvantCarcinoma, LobularCarcinomaAntineoplastic Agents, HormonalMastectomyNeoplasm ProteinsSurvival AnalysisRisk FactorsAntineoplastic AgentsEarly Detection of CancerDisease-Free SurvivalSurvival RateCarcinoma, Intraductal, NoninfiltratingGenes, BRCA1Neoplasm Recurrence, LocalMice, NudeFollow-Up StudiesPostmenopauseAntineoplastic Combined Chemotherapy ProtocolsRetrospective StudiesReverse Transcriptase Polymerase Chain ReactionTumor Cells, CulturedCell ProliferationStomach NeoplasmsGenetic Predisposition to DiseaseLung NeoplasmsRNA, MessengerCase-Control StudiesMCF-7 CellsProspective StudiesGene Expression ProfilingCell MovementSensitivity and SpecificityTreatment OutcomePremenopauseBreast FeedingMammary Neoplasms, ExperimentalEstrogen Receptor alphaDrug Resistance, NeoplasmEstrogensDisease ProgressionTime FactorsNeoplasms, Hormone-DependentOvarian NeoplasmsAdenocarcinomaRiskBreast Self-ExaminationMastectomy, SegmentalMenopauseMultivariate AnalysisProstatic NeoplasmsBRCA2 ProteinRisk AssessmentPredictive Value of TestsAge FactorsTuberculosis, Lymph NodeBRCA1 ProteinGenes, BRCA2Lymphatic DiseasesNeoplasmsGenes, erbB-2Mice, Inbred BALB CDNA, NeoplasmSurvivorsEstrogen AntagonistsAromatase InhibitorsFibrocystic Breast DiseaseIncidenceMesenteryOdds RatioCarcinoma, Squamous CellKaplan-Meier EstimateNeoplasm TransplantationCombined Modality TherapyBlotting, Western