Does the false-negative rate for 1 or 2 negative sentinel nodes after neo-adjuvant chemotherapy translate into a high local recurrence rate? - Sharp NE; Sachs DB; Melchior NM; Albaneze P; Nardello S; Sigurdson ER; Deng M; Aggon AA; Daly JM; Bleicher RJ (The breast journal, 2021)