CEACAM5 and neoplasm: Tumor markers showed β-hCG: 2,62,809 mIU/mL (normal value: <5 mIU/mL), CA125: 56.5 U/mL (normal value: <35 U/mL), carcinoembryonic antigen (CEA): 1.36 ng/mL (normal range: 0–2.5 ng/mL), CA19-9: 23.6 U/mL (normal value: <37 U/mL), and alpha-fetoprotein (AFP): 6.0 ng/mL (normal range: 0–15 ng/mL), raising suspicion of choriocarcinoma.