CEACAM5 and neoplasm: There were significant intergroup differences in age (year), number of tumors, maximum tumor diameter (mm), CRP (mg/dL), albumin (g/dL), globulin (g/dL), WBC count (×103/mm3), platelet count (×104/mm3), CEA (ng/mL), CA19‐9 (U/mL), and NLR (Mann–Whitney U‐test).