BreastCarcinoma, Ductal, BreastBreast DiseasesBreast FeedingBreast Neoplasms, MaleReceptors, EstrogenMammographyFibrocystic Breast DiseaseCell Line, TumorBreast ImplantsReceptor, erbB-2Breast Self-ExaminationReceptors, ProgesteroneTamoxifenGene Expression Regulation, NeoplasticCarcinoma, Intraductal, NoninfiltratingMastectomyPrognosisCarcinoma, LobularTumor Markers, BiologicalNeoplasm InvasivenessUpper ExtremityUltrasonography, MammaryNeoplasm MetastasisRisk FactorsGenes, BRCA1Antineoplastic Agents, HormonalLymphatic MetastasisNeoplasm StagingCase-Control StudiesImmunohistochemistryPostmenopauseMastectomy, SegmentalMilk, HumanMammaplastyTumor Cells, CulturedBreast CystCarcinomaNeoplasm ProteinsChemotherapy, AdjuvantMCF-7 CellsMammary Glands, HumanNipplesFibroadenomaEstrogen Receptor alphaAntineoplastic AgentsEstrogensPremenopauseMammary Neoplasms, ExperimentalBreast ImplantationAxillaBRCA2 ProteinMenopauseBRCA1 ProteinGenes, BRCA2Cell ProliferationNeoplasms, Hormone-DependentTime FactorsTreatment OutcomeTriple Negative Breast NeoplasmsInflammatory Breast NeoplasmsGenes, erbB-2Carcinoma, DuctalFollow-Up StudiesNeoplasm Recurrence, LocalAromatase InhibitorsEstrogen AntagonistsGenetic Predisposition to DiseaseCarcinoma in SituDisease-Free SurvivalSurvival AnalysisIncidenceRetrospective StudiesGene Expression ProfilingProspective StudiesCohort StudiesMass ScreeningMice, NudeAntineoplastic Combined Chemotherapy ProtocolsDrug Resistance, NeoplasmAge FactorsUpper Gastrointestinal TractRiskSensitivity and SpecificityRNA, MessengerEstradiolBiopsy, NeedleReverse Transcriptase Polymerase Chain ReactionRisk AssessmentSignal TransductionMastectomy, Modified RadicalDNA, NeoplasmOdds RatioSurvival RateReproducibility of ResultsSelective Estrogen Receptor ModulatorsNeoadjuvant TherapyApoptosisCyclophosphamideMultivariate Analysis