Inclusion Criteria:  Age equal to or greater than 18 years Patients with a diagnosis of T1-T3 primary infiltrating breast carcinoma Axillary clinical involvement (cN +) Confirmation by FNAC or BAG of lymph node involvement Candidates for neoadjuvant chemotherapy including anthracyclines and taxanes  Exclusion Criteria:  T4 tumors Supra / infraclavicular lymph node or internal mammary chain (cN3) involvement Previous ipsilateral breast or axillary surgery Distant metastasis at diagnosis (M1)