Fig. 1From: Comparison of tumor and two types of paratumoral tissues highlighted epigenetic regulation of transcription during field cancerization in non-small cell lung cancerPCA analysis of methylation signatures in tumor tissues (TUM), adjacent (ADJ) and distant histologically-normal tissues (DIS). (A) The distribution of 8312 blocks in genome; (B) PCA analysis based on the methylation signatures of 8312 blocksBack to article page