CEACAM5 and colorectal carcinoma: In individuals with surgically treated CRC, univariate analysis suggested that compared with patients with preoperative mSEPT9-negative, preoperative mSEPT9-positive (HR: 5.41, 95% CI: 1.773–16.505, P < 0.05), CEA > 5 ng/ml (HR: 4.611, 95% CI: 1.516–14.027, P < 0.05), and TNM staging (HR: 20.091, 95% CI: 2.654–152.112, P < 0.05) were connected with shorter OS.