CEACAM5 and neoplasm: Laboratory tests showed markedly elevated tumor markers: alpha-fetoprotein (AFP) >1210 ng/mL (reference level <10 ng/mL), carcinoembryonic antigen (CEA) 15.32 ng/mL (reference level <5 ng/mL), and beta-human chorionic gonadotropin (β-HCG) <0.10 mIU/mL (reference level <1 mIU/mL).