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. 2023 Mar 27;13:1157789. doi: 10.3389/fonc.2023.1157789

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Copyright © 2023 Sanomachi, Okuma, Kitadai, Kawachi, Yazaki, Tokura, Arakaki, Saito, Kita, Yamamoto, Maejima, Kojima, Nishikawa, Sudo, Shimoi, Noguchi, Fujiwara, Sugino, Shiino, Suto, Yoshida and Yonemori

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Kaplan–Meier survival curves for disease-free survival in HER2-low and HER2-0 cases. Of the 42 patients with stage I TNBC, 38 patients were analyzed after excluding 4 patients whose recurrence time was unclear in the medical records. Median survival was 118 months in the HER2-low group and 185 months in the HER2-0 group. The HER2-low group had significantly shorter DFS (Log-rank test, HR: 7.0; 95% CI: 1.2–40.2; P=0.0016). DFS, disease-free survival; HR, hazard ratio; CI, confidence interval.