title: Discussion.
mesh_terms: D001707:Biopsy, Needle / Q000379:methods*; D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D061705:Image-Guided Biopsy / Q000379:methods*; D008198:Lymph Nodes / Q000473:pathology*; D009367:Neoplasm Staging / Q000379:methods*; D021701:Sentinel Lymph Node Biopsy / Q000379:methods*; D016217:Ultrasonography, Mammary / Q000379:methods*