Fig. 2From: Efficacy of osimertinib in epidermal growth factor receptor-mutated non-small-cell lung cancer patients with pleural effusionKaplan–Meier curve of progression-free survival in EGFR T790M-negative (A) and EGFR T790M-positive patients (B) according to the presence or absence of pleural effusion. PE, pleural effusion; PFS, progression-free survival; NR, not reached; CI, confidence intervalBack to article page