Concomitant Genetic Alterations With Response to Treatment and Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors in Patients With EGFR-Mutant Advanced Non–Small Cell Lung Cancer

This cohort study examines the association of concomitant genetics alterations with response to treatment with epidermal growth factor receptor tyrosine kinase inhibitors among patients with EGFR-mutant advanced non–small cell lung cancer.