CEACAM5 and neoplasm: Tumor markers were within normal limits, carcinoembryonic antigen (CEA), 1.44 ng/mL (normal, 0–5 ng/mL); alpha-fetoprotein (AFP), 1.91 IU/L (normal, 0–5.8 IU/L); carbohydrate antigen 19-9 (CA-19-9), 20.7 IU/L (normal, 0–27 IU/L); CA-125, 14.6 IU/L (normal, 0–35 IU/L).