Letter to editor in response to the article entitled “Successful Completion of the Pilot Phase of a Randomized Controlled Trial Comparing Sentinel Lymph Node Biopsy to No Further Axillary Staging in Patients with Clinical T1-T2 N0 Breast Cancer and Normal Axillary Ultrasound” by Cyr AE et al. in J Am Coll Surg 2016; 223 (2): 399-407