MastectomyMastectomy, SimpleMastectomy, SubcutaneousMastectomy, Modified RadicalBreast NeoplasmsGenes, BRCA1Genes, BRCA2Mastectomy, SegmentalMastectomy, RadicalBreast ImplantsGenetic CounselingBRCA2 ProteinMammaplastyOvariectomyBreastNeoplasms, Second PrimaryGenetic TestingSentinel Lymph Node BiopsyBody ImageNipplesReconstructive Surgical ProceduresBRCA1 ProteinPrimary PreventionHeterozygoteFollow-Up StudiesOvarian NeoplasmsDecision MakingRisk Reduction BehaviorMutationRetrospective StudiesNuclear FamilyGenetic Predisposition to DiseaseProspective StudiesProbabilityRisk FactorsCarcinoma, Intraductal, NoninfiltratingAxillaTissue Expansion DevicesSurgical FlapsIncidenceMastectomy, Extended RadicalQuestionnairesCarcinoma, Ductal, BreastNeoplasm Recurrence, LocalRisk AssessmentCohort StudiesSeromaAntibiotic ProphylaxisLymph Node ExcisionRadiotherapy, AdjuvantTissue ExpansionCombined Modality TherapySurgery, PlasticBreast ImplantationDermatologic Surgical ProceduresTreatment OutcomeLymphatic MetastasisCarcinoma, LobularOrgan Sparing TreatmentsNeoplasm StagingPhyllodes TumorPaget's Disease, MammaryEstheticsCarcinoma in SituPostoperative ComplicationsChemotherapy, AdjuvantPectoralis MusclesPrognosisMammographyTime FactorsRectus AbdominisSurgical Wound InfectionSEER ProgramNeoplasms, Post-TraumaticBreast Neoplasms, Male