AxillaSentinel Lymph Node BiopsyGroinHyperhidrosisThermometersLymph Node ExcisionLymphatic MetastasisApocrine GlandsBreast NeoplasmsLymph NodesTechnetium Tc 99m Sulfur ColloidLymphedemaLymphoscintigraphyPaget Disease, ExtramammaryMastectomyAcanthosis NigricansTechnetium CompoundsFalse Negative ReactionsSyphilis, CutaneousSweatCorynebacteriumToesPectoralis MusclesSkinArmBrachial PlexusNeoplasm StagingMastectomy, Modified RadicalNeoadjuvant TherapyCarcinoma, Ductal, BreastColoring AgentsNipplesBiopsyUltrasonography, MammaryOdorsTreatment OutcomeRadiopharmaceuticalsNoseSensitivity and SpecificitySoft Tissue NeoplasmsLymphatic DiseasesRetrospective StudiesBreastMastectomy, SegmentalBiopsy, NeedleProspective StudiesSkin NeoplasmsFollow-Up StudiesCombined Modality TherapyPrognosis