CEACAM5 and neoplasm: There were also increases in the tumor markers: carcinoembryonal antigen (CEA)—9.3 ng/mL (n.v. 0–4ng/mL), alpha fetal protein (AFP)—12.15 ng/mL (n.v. 0–7 ng/mL), and Ca—19.9 at 4000 U/mL (n.v. 0–37 U/mL).