The characteristics of 619 CRC patients from TCGA , including T stage, N stage, M stage, CEA level, History of colon polyps, Colon polyps present, Neoplasm type, Residual tumor, Lymphatic invasion, Pathologic stage, Gender, Primary therapy outcome, Age, were collected and shown in Table 1. The gene discussed is CEACAM5; the disease is colon inflammatory polyp.