Fig. 1From: Prognostic factors affecting survival in patients with non-small cell lung cancer treated with salvage surgery after drug therapy: a multi-institutional retrospective studySurvival curves of patients after salvage surgery. a OS. b PFS. The 2- and 5-year OS rates are 83% and 66%, respectively, while the 2- and 5-year PFS rates are 21%. OS, overall survival; PFS, progression-free survivalBack to article page