Fig. 2.
A: Principal Component Analysis (PCA) score plots representing the congruence of CT-RFs extracted from tumor (blue dots) and normal tissues (yellow dots). B: Heatmap illustrating the unsupervised cluster analysis of RFs extracted from CT slices of 60 NSCLC (yellow), 10 uninvolved lymph nodes (green) and 3 skeletal muscles (purple). While strings from two lymph nodes are intercalated to NSCLC samples, the sharp right-sided CT-RFs clustering of most normal tissues is apparent (see histotype bar code).