Neuregulin-1NeuregulinsReceptor, erbB-3Receptor, erbB-2Receptor, Epidermal Growth FactorBreastBreast NeoplasmsCarcinoma, Ductal, BreastEpidermal Growth FactorReceptors, EstrogenCell Line, TumorGenes, erbBDrug Resistance, NeoplasmBreast DiseasesDrug ResistanceGene Expression Regulation, NeoplasticTamoxifenReceptors, ProgesteroneMammographyNeoplasm MetastasisNeoplasm InvasivenessDrug Resistance, MicrobialPrognosisDrug Resistance, BacterialAntineoplastic AgentsTumor Markers, BiologicalAntineoplastic Agents, HormonalBreast Neoplasms, MaleNeoplasm ProteinsRisk FactorsNeoplasm StagingEarly Detection of CancerMastectomyTumor Cells, CulturedMutationGenes, BRCA1Drug Resistance, MultiplePostmenopauseMice, NudeChemotherapy, AdjuvantCarcinoma, LobularMCF-7 CellsCell ProliferationGenetic Predisposition to DiseaseSignal TransductionGenes, erbB-2Gene Expression ProfilingReverse Transcriptase Polymerase Chain ReactionCarcinoma, Intraductal, NoninfiltratingMammary Neoplasms, ExperimentalCase-Control StudiesAntineoplastic Combined Chemotherapy ProtocolsSurvival AnalysisEstrogen Receptor alphaImmunohistochemistryCarcinomaRNA, MessengerEstrogensBreast FeedingPremenopauseOvarian NeoplasmsNeoplasms, Hormone-DependentDisease-Free SurvivalBreast Self-ExaminationFollow-Up StudiesRiskLymphatic MetastasisNeoplasm Recurrence, LocalApoptosisDisease ResistanceProspective StudiesLung NeoplasmsNeoplasmsSurvival RateMenopauseBRCA2 ProteinTime FactorsBlotting, WesternEstrogen AntagonistsBRCA1 ProteinGenotypeGenes, BRCA2Retrospective StudiesDisease ProgressionAromatase InhibitorsAge FactorsRisk AssessmentTreatment OutcomeVascular ResistanceFibrocystic Breast DiseaseMolecular Sequence DataMammary Glands, HumanXenograft Model Antitumor AssaysRNA, Small InterferingSurvivorsProstatic NeoplasmsOdds RatioIncidenceMastectomy, SegmentalAxilla