Patients consenting for unilateral axillary lymph node dissection (ALND) (prior history of sentinel lymph node biopsy allowed if \<6 months from consent)
Initially consented patients, treated with SLNB alone, who were originally considered ineligible to continue on study, will be approached for re-enrollment
Patients who self-identify as Black or White consenting for unilateral ALND or possible ALND will be approached for enrollment onto translational study (Cohort 3)
You may not be if
Male breast cancer patients
Patients consenting for bilateral axillary surgery
Patients with prior history of surgical excision of one or more axillary lymph nodes or SLNB, performed \>6 months from date of consent
