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Effects of various factors on disease‐free survival among Chinese patients with Triple‐negative breast cancer. (A) Kaplan–Meier curves of lymph node status (N0–2 vs. N3). (B) Kaplan–Meier curves of Ki‐67 index at ≤0.14 versus >0.14. (C) Kaplan–Meier curves of Ki‐67 index at ≤0.7 versus >0.7. (D) Cox regression estimates by BRCA1 rs80350973 mutational status.
