Dose-Response Relationship, RadiationUltraviolet RaysNeoplasmsMammographyBreastBreast NeoplasmsCarcinogensCell Transformation, NeoplasticAneuploidyBreast DiseasesRisk FactorsRisk AssessmentCarcinoma, Ductal, BreastEarly Detection of CancerRadiographic Image Interpretation, Computer-AssistedReceptors, EstrogenRadiation DosageRadiographic Image EnhancementRadiation, IonizingCell Line, TumorRadiation InjuriesReceptor, erbB-2Gene Expression Regulation, NeoplasticNeoplasm MetastasisTamoxifenNeoplasm InvasivenessReceptors, ProgesteronePrognosisMass ScreeningRadiation ToleranceNeoplasm StagingTumor Markers, BiologicalAntineoplastic AgentsSensitivity and SpecificityNeoplasm ProteinsPostmenopauseAntineoplastic Agents, HormonalMice, NudeFalse Positive ReactionsOvarian NeoplasmsCarcinoma, Intraductal, NoninfiltratingRadiologyRetrospective StudiesFollow-Up StudiesChemotherapy, AdjuvantBreast Neoplasms, MaleSurvival AnalysisMastectomyRiskAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, LobularRadiationGenes, BRCA1Genetic Predisposition to DiseasePremenopauseCarcinomaLung NeoplasmsUnited StatesDrug Resistance, NeoplasmProspective StudiesProstatic NeoplasmsSurvival RateNeoplasm Recurrence, LocalReproducibility of ResultsDisease-Free SurvivalX-Ray FilmAge FactorsRadiation ProtectionGene Expression ProfilingTumor Cells, CulturedOdds RatioCombined Modality TherapyBreast Self-ExaminationMCF-7 CellsRadiation MonitoringUltrasonography, MammaryReverse Transcriptase Polymerase Chain ReactionNipplesRegistriesColonic NeoplasmsNeoplasms, Radiation-InducedRadiotherapyCell ProliferationTime FactorsSurvivorsRNA, MessengerNeoplasms, Hormone-DependentDisease ProgressionFibrocystic Breast DiseaseCase-Control StudiesMammary Neoplasms, ExperimentalEstrogensStomach NeoplasmsEstrogen Receptor alphaIncidenceMastectomy, SegmentalLogistic ModelsXenograft Model Antitumor AssaysImmunohistochemistryMultivariate Analysis