Fig. 1From: Efficacy of osimertinib in epidermal growth factor receptor-mutated non-small-cell lung cancer patients with pleural effusionKaplan–Meier curve of progression-free survival (A, B) and overall survival (C, D) in EGFR T790M-negative (A, C) and EGFR T790M-posittive patients (B, D). PFS, progression-free survival; OS, overall survival; NR, not reached; CI, confidence intervalBack to article page