Polymorphism, Single NucleotideBreastPolymorphism, GeneticGenetic Predisposition to DiseaseBreast NeoplasmsGenotypeNucleotidesGene FrequencyAllelesMolecular Sequence DataCase-Control StudiesCarcinoma, Ductal, BreastHaplotypesReceptors, EstrogenBase SequenceCell Line, TumorPolymerase Chain ReactionRisk FactorsReceptor, erbB-2Breast DiseasesMutationSubstrate SpecificityLinkage DisequilibriumTamoxifenGene Expression Regulation, NeoplasticReceptors, ProgesteroneGenetic VariationAmino Acid SequencePrognosisSequence Analysis, DNAMammographyGenetic Association StudiesNeoplasm MetastasisAsian Continental Ancestry GroupNeoplasm InvasivenessTumor Markers, BiologicalPhenotypeRNA, MessengerPromoter Regions, GeneticNeoplasm ProteinsBreast Neoplasms, MaleNeoplasm StagingGenome-Wide Association StudyRiskEuropean Continental Ancestry GroupAntineoplastic Agents, HormonalOdds RatioAntineoplastic AgentsGenes, BRCA1PostmenopauseGenetic MarkersEarly Detection of CancerDNA PrimersDNA Mutational AnalysisDNAMastectomyKineticsCohort StudiesGene Expression ProfilingReverse Transcriptase Polymerase Chain ReactionTumor Cells, CulturedChinaChemotherapy, AdjuvantCarcinoma, LobularEstrogen Receptor alphaPolymorphism, Single-Stranded ConformationalSurvival AnalysisExonsChromosome MappingPremenopauseDrug Resistance, NeoplasmCarcinomaHeterozygoteMCF-7 CellsCarcinoma, Intraductal, NoninfiltratingMice, NudeEstrogensProspective StudiesOvarian NeoplasmsAntineoplastic Combined Chemotherapy ProtocolsFollow-Up StudiesImmunohistochemistryBinding SitesBreast FeedingLung NeoplasmsOligonucleotide Array Sequence AnalysisRisk AssessmentDisease-Free SurvivalCloning, MolecularTime FactorsCell ProliferationDNA, NeoplasmSignal TransductionHomozygoteDisease ProgressionProstatic NeoplasmsNeoplasmsNeoplasms, Hormone-DependentSurvival RateBreast Self-Examination