Polymorphism, Single NucleotidePostmenopauseBreastPolymorphism, GeneticBreast NeoplasmsGenetic Predisposition to DiseaseOsteoporosis, PostmenopausalGenotypeCase-Control StudiesGene FrequencyReceptors, EstrogenAllelesNucleotidesCarcinoma, Ductal, BreastEstrogen Replacement TherapyHaplotypesRisk FactorsTamoxifenMenopauseMolecular Sequence DataEstrogensCell Line, TumorReceptors, ProgesteronePremenopauseBreast DiseasesReceptor, erbB-2Base SequencePolymerase Chain ReactionAntineoplastic Agents, HormonalMammographyLinkage DisequilibriumPrognosisGene Expression Regulation, NeoplasticGenetic VariationAromatase InhibitorsGenetic Association StudiesNeoplasm MetastasisAsian Continental Ancestry GroupMutationTumor Markers, BiologicalSequence Analysis, DNARiskNeoplasm InvasivenessOdds RatioCohort StudiesEstradiolNeoplasm StagingProspective StudiesEuropean Continental Ancestry GroupChemotherapy, AdjuvantPhenotypeRNA, MessengerAntineoplastic AgentsPromoter Regions, GeneticBreast Neoplasms, MaleGenome-Wide Association StudyNeoplasm ProteinsEstrogen Receptor alphaFollow-Up StudiesMastectomyCarcinoma, LobularNitrilesEarly Detection of CancerGenes, BRCA1Bone DensityGenetic MarkersRisk AssessmentNeoplasms, Hormone-DependentEstrogens, Conjugated (USP)ChinaAmino Acid SequenceAge FactorsDNA Mutational AnalysisGene Expression ProfilingHormone Replacement TherapySurvival AnalysisOvarian NeoplasmsReverse Transcriptase Polymerase Chain ReactionTriazolesTreatment OutcomeEstrogen AntagonistsSelective Estrogen Receptor ModulatorsCarcinomaIncidenceCarcinoma, Intraductal, NoninfiltratingDisease-Free SurvivalAntineoplastic Combined Chemotherapy ProtocolsEstroneTumor Cells, CulturedDNA PrimersDNADrug Resistance, NeoplasmTime FactorsPolymorphism, Single-Stranded ConformationalLogistic ModelsExonsHeterozygoteChromosome MappingBreast FeedingImmunohistochemistry