AxillaSentinel Lymph Node BiopsyGroinHyperhidrosisThermometersLymph Node ExcisionApocrine GlandsLymphatic MetastasisLymph NodesBreast NeoplasmsTechnetium Tc 99m Sulfur ColloidLymphedemaLymphoscintigraphyPower PlantsPaget Disease, ExtramammaryElectric Power SuppliesMastectomyAcanthosis NigricansPower (Psychology)Pectoralis MusclesFalse Negative ReactionsTechnetium CompoundsSyphilis, CutaneousSweatCorynebacteriumToesSkinArmBrachial PlexusMastectomy, Modified RadicalNeoadjuvant TherapyNeoplasm StagingCarcinoma, Ductal, BreastNipplesColoring AgentsUltrasonography, MammaryBiopsyOdorsNuclear Power PlantsNoseSensitivity and SpecificityRadiopharmaceuticalsSoft Tissue NeoplasmsLymphatic DiseasesBreastTreatment OutcomeReproducibility of ResultsMastectomy, SegmentalBiopsy, NeedleSkin Neoplasms