MammographyBreast NeoplasmsMass ScreeningEarly Detection of CancerX-Ray FilmBreastBreast Self-ExaminationRadiologyRadiographic Image Interpretation, Computer-AssistedBreast DiseasesPalpationFalse Positive ReactionsSensitivity and SpecificityPatient Acceptance of Health CareUnited StatesCarcinoma, Intraductal, NoninfiltratingHealth Knowledge, Attitudes, PracticeNew HampshirePatient ComplianceX-Ray Intensifying ScreensMobile Health UnitsWomen's HealthHealth Services AccessibilityCarcinoma, Ductal, BreastAttitude to HealthReminder SystemsReproducibility of ResultsLogistic ModelsPhantoms, ImagingHealth BehaviorPhysical ExaminationAge FactorsRadiation DosageCalcinosisObserver VariationSocioeconomic FactorsMedicareQuestionnairesTechnology, RadiologicWashingtonPapanicolaou TestWomenAfrican AmericansVermontBiopsyVaginal SmearsCarcinoma in SituPreventive Health ServicesPrepaid Health PlansROC CurveHealth Care SurveysPredictive Value of TestsWomen's Health ServicesNipplesRisk FactorsRetrospective StudiesMagnetic Resonance ImagingBiopsy, NeedleIncidenceRegistriesNorth CarolinaCarcinoma, LobularGamma CamerasHispanic AmericansCost-Benefit AnalysisTomographyProspective Studies