Fig. 2From: Management of medically inoperable and tyrosine kinase inhibitor-naïve early-stage lung adenocarcinoma with epidermal growth factor receptor mutations: a retrospective multi-institutional analysisComparison of survival outcomes in patients with different pathological stages and nodal status. Kaplan-Meier OS (a and c) and PFS (b and d) curves were generated. Patients were grouped according to their pathological stage (a-b) or nodal status (c-d)Back to article page