MOESM2 of Integrative analysis of genetic and epigenetic profiling of lung squamous cell carcinoma (LSCC) patients to identify smoking level relevant biomarkers

Additional file 2: Fig. S2. Principle Components Analysis (PCA) of 299 cases of methylation with LSSC patients clinical data. Blue dots represent cases of low groups; Red dots represent cases of low groups. There is no significant difference between high and low smoking intensity in LSCC patients.