Pre-operative tumor markers are as follows: lactate dehydrogenase (LDH) 204 IU/L [normal range 120–240 IU/L], alpha-fetoprotein (AFP) 3.3 ng/mL [normal range <7.9 ng/mL], β-human chorionic gonadotropin (β-hCG) <2 mlU/mL [normal <5 mIU/mL]. Here, AFP is linked to neoplasm.