CEACAM5 and neoplasm: When all the significant factors predicted in the univariate Cox regression model were taken into the multivariable survival analysis, a tumor diameter greater than 5 cm, PNI, advanced N and M stage, MAC, and elevated preoperative CEA and CA19-9 were risk factors for poor OS and a tumor diameter greater than 5 cm, PNI, advanced N and M stage, MAC, pMMR and elevated preoperative CA19-9 were risk factors for poor CSS.