Fig. 2From: Comprehensive analysis of spread through air spaces in lung adenocarcinoma and squamous cell carcinoma using the 8th edition AJCC/UICC staging systemKaplan–Meier curves according to spread through air spaces (STAS) in all-stage lung adenocarcinoma (ADC) and squamous cell carcinoma (SQCC). a: Disease-free survival (DFS) in ADC (p < 0.001); b: Overall survival (OS) in ADC (p = 0.025); c: DFS in SQCC (p = 0.795); d: OS in SQCC (p = 0.050)Back to article page