In addition, we also verified the expression of some genes (ARMCX2, CEBPA, CKMT2, CXCL13, FABP4, HOXC6, IGFBP3, MMP12, SIGLEC1, and VSIG4) in the model based on 8 pairs of colorectal cancer tissues. This evidence concerns the gene MMP12 and colorectal cancer.