Carcinoma, Ductal, BreastBreast NeoplasmsBreastCarcinoma, Intraductal, NoninfiltratingNeoplasm InvasivenessCarcinoma, DuctalReceptors, EstrogenCarcinoma, LobularReceptor, erbB-2Receptors, ProgesteroneCarcinomaImmunohistochemistryCarcinoma in SituTumor Markers, BiologicalPrognosisNeoplasm Recurrence, LocalRecurrenceLymphatic MetastasisNeoplasm StagingMammographyGene Expression Regulation, NeoplasticBreast DiseasesCell Line, TumorKi-67 AntigenTamoxifenMastectomyMastectomy, SegmentalRisk FactorsNeoplasm MetastasisPostmenopauseRetrospective StudiesCarcinoma, Squamous CellAxillaBreast Neoplasms, MaleSurvival AnalysisFollow-Up StudiesAntineoplastic Agents, HormonalCase-Control StudiesTumor Cells, CulturedDisease-Free SurvivalCarcinoma, HepatocellularNeoplasm ProteinsRaloxifenePremenopauseIncidenceCadherinsTreatment OutcomeTissue Array AnalysisSurvival RateChemotherapy, AdjuvantMultivariate AnalysisAntineoplastic AgentsImmunoenzyme TechniquesRisk AssessmentCohort StudiesRNA, MessengerGenes, BRCA1Neoplasm GradingSelective Estrogen Receptor ModulatorsProportional Hazards ModelsProspective StudiesDisease ProgressionRiskGenes, erbB-2Fibrocystic Breast DiseaseTime FactorsAge FactorsBreast FeedingGene Expression ProfilingCell ProliferationMenopauseOdds RatioSEER ProgramEarly Detection of CancerKaplan-Meier EstimateMice, NudePredictive Value of TestsEstrogen Receptor alphaLymph NodesReverse Transcriptase Polymerase Chain ReactionEstrogensGenetic Predisposition to DiseaseRegistriesDNA, NeoplasmMammary Glands, HumanAdenocarcinomaUltrasonography, MammaryRadiotherapy, AdjuvantNeoplasms, Hormone-DependentAntineoplastic Combined Chemotherapy ProtocolsCombined Modality TherapyNeoplasms, Ductal, Lobular, and MedullarySensitivity and SpecificityEstrogen Replacement TherapyKeratin-6Mass ScreeningSentinel Lymph Node BiopsyNipplesUnited StatesBRCA2 Protein