CEACAM5 and neoplasm: Our findings suggest that age of patients, sex, histopathology, pT stage, pN stage, extent of regional lymph nodes examined, presence of tumor deposits, pretreatment CEA level, total number of lymph nodes removed, receipt of chemotherapy, perineural invasion (PNI), tumor size ≥ 5 cm, and marriage status were all significantly correlated with worse CSS (each P < 0.05).