Patients with concurrent EGFR and ALK mutations were included in this study, which analyzed mutation profiles and treatment histories....Kaplan-Meier analysis showed that after the first line of EGFR-TKI treatment, the median PFS (mPFS) of patients with EGFR 19del/ALK co-mutation (n = 4) was significantly higher than that of patients with non-EGFR19del/ ALK co-mutation (n = 4, one patient had unclear PFS information, mPFS of 21.5 vs 7.25 months, p = 0.007...