Fig. 3: Kaplan–Meier curves of RFS in the NCCTG N9831 comparing between AIS-high vs. -low patients.

A Chemotherapy-only arm (AC–T). B Sequential (AC–T–H) or concurrent trastuzumab arm (AC–TH).
A Chemotherapy-only arm (AC–T). B Sequential (AC–T–H) or concurrent trastuzumab arm (AC–TH).