Fig. 1. Results of the stool DNA methylation-specific PCR assay performed with samples obtained from patients with colorectal cancer (C) and advanced adenoma (A) and healthy controls (N). SFRP2, secreted frizzled-related protein 2; TFPI2, tissue factor pathway inhibitor 2; NDRG4, N-myc downstream-regulated gene 4; BMP3, bone morphogenetic protein 3.
