Waterfall plot of concordance of the pathologic response in the ILN with the pathologic response of the entire lymph node bed in each patient (column). The arrowhead denotes the 1 patient with discordant responses. CR indicates complete response; ILN, index lymph node; IxNx, ipilimumab x mg/kg plus nivolumab x mg/kg; NE, not evaluable; PD, progressive disease; PR, partial response; SD, stable disease; TLND, therapeutic lymph node dissection.