Fig. 3From: Therapeutic impact of epidermal growth factor receptor tyrosine kinase inhibitor with various treatment combinations for advanced lung adenocarcinomaKaplan–Meier survival curve of comparison with ever versus never TKI treatments in stages IIIB and IV lung adenocarcinoma. Patients with ever TKI treatment got median overall survival 23.07 months and average overall survival 33.24 months, which is better than patients with never TKI treatment (p < 0.001)Back to article page