Research Article

The Impact of Sequence of Chemotherapy and EGFR-TKI Treatment on Different EGFR Mutation Lung Adenocarcinoma

Figure 1

Kaplan-Meier curve of (a) progression-free survival (PFS) and (b) overall survival (OS) of 1st-line treatment for all patients () receiving 1st-line chemotherapy/2nd-line TKIs and 1st-line TKIs/2nd-line chemotherapy.
(a)
(b)