Fig. 1.
Cumulative incidence of CNS progression (a) in all eligible patients (n = 279); b patients without cerebral metastasis prior to EGFR-TKIs first-line treatment; c patients cerebral metastasis prior to EGFR-TKIs first-line treatment
Cumulative incidence of CNS progression (a) in all eligible patients (n = 279); b patients without cerebral metastasis prior to EGFR-TKIs first-line treatment; c patients cerebral metastasis prior to EGFR-TKIs first-line treatment