Fig. 2
From: Impact of smoking amount on clinicopathological features and survival in non-small cell lung cancer
Kaplan-Meier estimate of overall survival of subjects stratified by risk and stage Panel a shows the difference of overall survival for patients with high and low risk and Panel b, c, d show the difference of overall survival for patients with high and low risk group according to cancer stage. Panel e shows the difference of overall survival according to MILD trial eligible criteria