CEACAM5 and neoplasm: However, there were no significant differences in the age (P = 0.943), gender (P = 0.103), disease stage (P = 0.200), tumor location (P = 0.084), PLR values (P = 0.242), CA19-9 levels (P = 0.100), and CEA levels (P = 0.100) between the CRP/Alb-high and CRP/Alb-low groups.