Overall survival
deaths, death
SENTINEL LYMPH NODE, EVENT, SECOND PRIMARY MALIGNANCY
In the ITT population, there were three deaths (two BC-related deaths in the ALND arm and one death from a second primary malignancy in the SLNB-only arm) at a median follow-up of 33.0 (i.q.r. 19.1–45.4) months. The 5-year cumulative incidence of mortality was 5.8 and 6.1 per cent in the ALND arm and the SLNB-only arm respectively (Comparison of event rates by treatment armALND, axillary lymph node dissection; SLNB, sentinel lymph node biopsy; ITT, intention-to-treat; PP, per-protocol.In cN0 T1–2 BC patients undergoing mastectomy with one to two positive SLNs, the omission of ALND did not yield statistically inferior survival results for either the ITT population or the PP population (Overall survival curves
