Polymorphism, Single NucleotideBreastPolymorphism, GeneticGenetic Predisposition to DiseaseGenotypePoint MutationMutationAllelesBreast NeoplasmsMutation, MissenseGene FrequencyNucleotidesCase-Control StudiesMolecular Sequence DataCarcinoma, Ductal, BreastBase SequenceHaplotypesPolymerase Chain ReactionReceptors, EstrogenCell Line, TumorSequence Analysis, DNARisk FactorsGenetic VariationReceptor, erbB-2Breast DiseasesGene Expression Regulation, NeoplasticLinkage DisequilibriumGerm-Line MutationTamoxifenGenetic Association StudiesReceptors, ProgesteronePrognosisDNA Mutational AnalysisAsian Continental Ancestry GroupPhenotypeExonsMammographyFrameshift MutationAmino Acid SequenceHeterozygoteNeoplasm MetastasisPedigreePolymorphism, Single-Stranded ConformationalNeoplasm InvasivenessPromoter Regions, GeneticTumor Markers, BiologicalRNA, MessengerGenes, BRCA1Neoplasm ProteinsDNA PrimersHomozygoteBreast Neoplasms, MaleChromosome MappingNeoplasm StagingGenetic MarkersGenome-Wide Association StudyDNAEuropean Continental Ancestry GroupRiskOdds RatioAntineoplastic AgentsAntineoplastic Agents, HormonalCohort StudiesReverse Transcriptase Polymerase Chain ReactionPostmenopauseAmino Acid SubstitutionGenetic TestingGene Expression ProfilingChinaEarly Detection of CancerMastectomyTumor Cells, CulturedDNA, NeoplasmChemotherapy, AdjuvantOvarian NeoplasmsSurvival AnalysisCarcinoma, LobularDrug Resistance, NeoplasmEstrogen Receptor alphaImmunohistochemistryLung NeoplasmsCarcinomaDNA-Binding ProteinsBRCA2 ProteinModels, GeneticGenes, BRCA2Cloning, MolecularPremenopauseOligonucleotide Array Sequence AnalysisCodonMice, NudeProspective StudiesFollow-Up StudiesCarcinoma, Intraductal, NoninfiltratingAntineoplastic Combined Chemotherapy ProtocolsMCF-7 CellsRisk AssessmentSignal TransductionDisease-Free SurvivalEstrogens