Serum tumor markers obtained in April 2024 were within normal limits: carcinoembryonic antigen (CEA) 3.34 ng/mL, carbohydrate antigen 19-9 (CA 19-9) 6.21 U/mL, and alpha-fetoprotein (AFP) 1.87 ng/mL. Here, CEACAM5 is linked to neoplasm.