Research Article

Epidermal Growth Factor Receptor Mutations and Their Prognostic Value with Carcinoembryonic Antigen in Pathological T1 Lung Adenocarcinoma

Figure 4

Kaplan-Meier curves after surgery in 403 lung adenocarcinoma patients with tumours with a maximum diameter of 3 cm or less, excluding those at stage 0. (a) Disease-free and (b) overall survival stratified by presence and absence of EGFR mutations. (c) Disease-free and (d) overall survival stratified by EGFR mutations in exon 19 and exon 21.
(a)
(b)
(c)
(d)