Fig. 3From: The prognostic role of PD-1, PD-L1, ALK, and ROS1 proteins expression in non-small cell lung carcinoma patients from EgyptKaplan-Meier survival analysis curve for the progression free survival (PFS) in relation to expression of a ROS1, b ALK, c PD-1, and d PD-L1 and in relation to e ROS1 rearrangementBack to article page