BreastEarly Detection of CancerBreast NeoplasmsCarcinoma, Ductal, BreastReceptors, EstrogenEarly DiagnosisCell Line, TumorMammographyTumor Markers, BiologicalBreast DiseasesReceptor, erbB-2Sensitivity and SpecificityGene Expression Regulation, NeoplasticTamoxifenReceptors, ProgesteronePrognosisNeoplasm MetastasisNeoplasm InvasivenessRisk FactorsNeoplasm StagingBreast Neoplasms, MaleAntineoplastic Agents, HormonalNeoplasm ProteinsBreast Self-ExaminationMastectomyAntineoplastic AgentsGenes, BRCA1Case-Control StudiesChemotherapy, AdjuvantMass ScreeningPostmenopauseCarcinoma, LobularPolymerase Chain ReactionOvarian NeoplasmsGenetic Predisposition to DiseaseFollow-Up StudiesMice, NudeSurvival AnalysisCarcinomaProspective StudiesReproducibility of ResultsImmunohistochemistryCarcinoma, Intraductal, NoninfiltratingReverse Transcriptase Polymerase Chain ReactionGene Expression ProfilingMCF-7 CellsTumor Cells, CulturedTime FactorsNeoplasmsRetrospective StudiesLung NeoplasmsBreast FeedingAntineoplastic Combined Chemotherapy ProtocolsNeoplasm Recurrence, LocalLymphatic MetastasisPremenopauseRiskEstrogen Receptor alphaDrug Resistance, NeoplasmRisk AssessmentEstrogensDisease-Free SurvivalIncidenceAge FactorsProstatic NeoplasmsSurvival RateMammary Neoplasms, ExperimentalCell ProliferationNeoplasms, Hormone-DependentDisease ProgressionPredictive Value of TestsRNA, MessengerMenopauseGenes, BRCA2BRCA2 ProteinTreatment OutcomeDNA, NeoplasmBRCA1 ProteinUnited StatesSurvivorsOdds RatioMutationFibrocystic Breast DiseaseAromatase InhibitorsCohort StudiesEstrogen AntagonistsAxillaMastectomy, SegmentalGenes, erbB-2Blotting, WesternOligonucleotide Array Sequence AnalysisMammary Glands, HumanMultivariate AnalysisRegistriesColonic NeoplasmsCarcinoma in SituGenotypeBone NeoplasmsXenograft Model Antitumor AssaysDNA Methylation