SLNs detected and removed
99.1%
60.8%
80.1%
SLNB prior to
any therapy
Re-SLNB after
SLNB + NACT
1013/1022
474/592
219/360
Arm A + B
Arm B
Arm C
50
P < 0.001
P < 0.001
P < 0.001
SLNB after NACT
for cN1 ycN0
Kuehn et al. Lancet Oncol 2013;14:609-18