FLI1 and colorectal cancer: In addition to their usefulness in tumor tissues, some hypermethylated genes identified in plasma have been correlated with clinical significance in hepatocellular carcinoma (HOXA1, EMX1, AK055957, ECE1, PFKP, and CLEC11A), colorectal cancer (AGBL4, FLI1, and TWIST1), and GC (ELMO1, ZNF569, and C13orf18) [6–8].