Fig. 5From: Development and validation of a prognostic nomogram for early stage non-small cell lung cancer: a study based on the SEER database and a Chinese cohortOverall survival rates stratified by patient characteristics. Kaplan–Meier overall survival curves of the training set (P < 0.001) according to: (a) SEER cohort and China validation cohort; (b) age; (c) sex; (c) tumorsize; (d) primary site; (e) tumor type; (f) surgery; (g) nodes; (h) positive; (i) grade; (k) AJCC stage (7th); and (l) ChemotherapyBack to article page