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Survival curves of patients with L858R and without brain metastasis.
Kaplan–Meier curves of (A) TD-TKI, (B) progression-free survival (PFS), and (C) overall survival (OS) of patients with non-small-cell lung cancer (NSCLC) harboring L858R without brain metastasis (red, the afatinib group; blue, the osimertinib group).
CI, confidence interval; HR, hazard ratio.
