Breast DiseasesBreastFibroadenomaUltrasonography, MammaryBreast NeoplasmsFibrocystic Breast DiseaseCarcinoma, Ductal, BreastCarcinoma, Intraductal, NoninfiltratingSensitivity and SpecificityImage EnhancementCell DifferentiationAdenofibromaContrast MediaBiopsy, NeedleVacuumMammographyMammary Glands, HumanBreast CystImmunohistochemistryCarcinoma in SituHyperplasiaCarcinoma, LobularReceptors, EstrogenNipplesTumor Markers, BiologicalImage Interpretation, Computer-AssistedPalpationReproducibility of ResultsBreast Neoplasms, MaleReceptors, ProgesteroneCarcinomaNeoplasm InvasivenessROC CurveCell Line, TumorBiopsyRNA, MessengerEpithelial CellsTumor Cells, CulturedNeoplasm ProteinsPrecancerous ConditionsGene Expression Regulation, NeoplasticElasticity Imaging TechniquesReceptor, erbB-2Cell ProliferationRetrospective StudiesMagnetic Resonance ImagingSignal TransductionPrognosisFalse Negative ReactionsBiopsy, Fine-NeedleUltrasonography, Doppler, ColorDiffusion Magnetic Resonance ImagingCell DivisionStereotaxic TechniquesNeoplasm MetastasisImmunoenzyme TechniquesCells, CulturedReverse Transcriptase Polymerase Chain ReactionNeoplasms, Ductal, Lobular, and MedullaryBreast FeedingImage-Guided BiopsyPapilloma, IntraductalCarcinoma, DuctalAntigens, CD24Apocrine GlandsBreast Self-ExaminationNeoplasm StagingGadolinium DTPATranscription FactorsStem CellsMenopauseCytodiagnosisBase SequenceAlgorithmsGene ExpressionBlotting, WesternGynecomastiaIncidental FindingsEpitheliumTime FactorsCell LinePredictive Value of TestsGene Expression Regulation, DevelopmentalStromal CellsDisease ProgressionSex DifferentiationUltrasonography, InterventionalEstrogensCell Transformation, NeoplasticTomography, OpticalMastectomyEmbryonic Stem CellsGene Expression RegulationMastitisCell LineageNeoplastic Stem CellsMolecular Sequence DataPolymerase Chain ReactionFrozen SectionsProspective Studies