Breast DiseasesFibrocystic Breast DiseaseBreastFibroadenomaBreast NeoplasmsAdenofibromaCarcinoma, Ductal, BreastMammographyHyperplasiaCarcinoma, Intraductal, NoninfiltratingBreast CystNipplesMenopauseCarcinoma in SituPrecancerous ConditionsRisk FactorsCase-Control StudiesBiopsyCarcinoma, LobularBiopsy, NeedleReceptors, EstrogenUltrasonography, MammaryBreast FeedingPalpationMastitisReceptors, ProgesteroneMastectomyTumor Markers, BiologicalNeoplasm InvasivenessAge FactorsProspective StudiesRiskPrognosisEstrogensPostmenopauseParityBreast Neoplasms, MaleImmunohistochemistryMenstruationCarcinomaPremenopauseBody FluidsCohort StudiesMenarcheSensitivity and SpecificityNeoplasm MetastasisTime FactorsEstrogen Replacement TherapyCell Line, TumorOdds RatioRisk AssessmentCathepsin DBreast ImplantsFollow-Up StudiesReceptor, erbB-2IncidenceLymphatic MetastasisNeoplasm ProteinsProportional Hazards ModelsNeoplasm StagingBreast Self-ExaminationMass ScreeningRetrospective StudiesTamoxifenProgestinsConfidence IntervalsDisease ProgressionOutpatient Clinics, HospitalCell Transformation, NeoplasticGene Expression Regulation, NeoplasticPregnancyFamily HealthAbnormalities, Multiple