EGFR and cancer: The median OS for stage IV NSQ cancer was 34.6 months (95% CI, 32.2-36.1 months), 56.4 months (95% CI, not reached), and 12.0 months (95% CI, 11.4-12.8 months), for EGFR-positive, ALK-positive, and WT subgroups, respectively (eTable 3 in Supplement 1).