Polymorphism, Single NucleotideBreastPolymorphism, GeneticGenetic Predisposition to DiseaseGenetic VariationGenotypeBreast NeoplasmsAllelesGene FrequencyNucleotidesCase-Control StudiesHaplotypesCarcinoma, Ductal, BreastReceptors, EstrogenMolecular Sequence DataCell Line, TumorBase SequencePolymerase Chain ReactionRisk FactorsLinkage DisequilibriumReceptor, erbB-2Breast DiseasesSequence Analysis, DNATamoxifenGene Expression Regulation, NeoplasticReceptors, ProgesteroneMutationGenetic Association StudiesPrognosisMammographyAsian Continental Ancestry GroupNeoplasm MetastasisPhenotypeNeoplasm InvasivenessTumor Markers, BiologicalEuropean Continental Ancestry GroupPromoter Regions, GeneticRNA, MessengerRiskNeoplasm StagingBreast Neoplasms, MaleOdds RatioNeoplasm ProteinsGenome-Wide Association StudyAntineoplastic Agents, HormonalGenetic MarkersAmino Acid SequenceGenes, BRCA1Antineoplastic AgentsPostmenopauseCohort StudiesEarly Detection of CancerDNA Mutational AnalysisMastectomyGene Expression ProfilingChinaChromosome MappingDNA PrimersDNAReverse Transcriptase Polymerase Chain ReactionChemotherapy, AdjuvantCarcinoma, LobularEstrogen Receptor alphaExonsPolymorphism, Single-Stranded ConformationalHeterozygoteTumor Cells, CulturedSurvival AnalysisPremenopauseProspective StudiesCarcinomaOligonucleotide Array Sequence AnalysisDrug Resistance, NeoplasmCarcinoma, Intraductal, NoninfiltratingFollow-Up StudiesMCF-7 CellsOvarian NeoplasmsRisk AssessmentEstrogensMice, NudeAntineoplastic Combined Chemotherapy ProtocolsGenome, HumanLung NeoplasmsBreast FeedingDisease-Free SurvivalImmunohistochemistryAge FactorsHomozygoteTime FactorsModels, GeneticDNA, NeoplasmPhylogenyDisease ProgressionNeoplasmsProstatic NeoplasmsCell ProliferationSurvival RateMenopauseRetrospective StudiesNeoplasms, Hormone-Dependent