MammographyBreast NeoplasmsRadiographic Image Interpretation, Computer-AssistedRadiographic Image EnhancementRadiologyFalse Positive ReactionsBreastMass ScreeningX-Ray FilmSensitivity and SpecificityBreast DiseasesDiagnosis, Computer-AssistedObserver VariationReproducibility of ResultsEarly Detection of CancerCalcinosisROC CurveDiagnostic Tests, RoutinePectoralis MusclesRadiographic MagnificationNipplesAlgorithmsUltrasonography, MammaryPattern Recognition, AutomatedDiagnostic ErrorsPredictive Value of TestsFalse Negative ReactionsData CompressionX-Ray Intensifying ScreensRadiology Department, HospitalFractalsDiagnostic Techniques and ProceduresRetrospective StudiesDiagnostic ImagingUnited StatesMobile Health UnitsDiscriminant AnalysisBiopsyPapanicolaou TestVaginal SmearsClinical CompetenceLogistic ModelsSubtraction TechniqueRisk FactorsReminder SystemsTime FactorsCarcinoma, Intraductal, Noninfiltrating