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Kaplan-Meier survival curves for overall survival rates are shown for the patient subgroups of (A) HER2-negative, (B) HER2-positive, (C) Ki67-negative, (D) Ki67-positive, (E) hormone receptor (HR)-positive with tamoxifen, and (F) HR-positive without tamoxifen.
Abbreviations: D, docetaxel; FEC, fluorouracil, epirubicin, and cyclophosphamide; HER2, human epidermal growth factor receptor 2; HR, hazard ratio; OS, overall survival.
