AFP and neoplasm: Preoperative tumour markers were within normal limits: alpha-fetoprotein 1.4 ng/mL (reference range: 0.0-7 ng/mL), beta-human chorionic gonadotropin (β-hCG) 0.2 mIU/mL (reference range: 0.0-2.6 mIU/mL), and lactate dehydrogenase (LDH) 137 IU/L (reference range: 135-250 IU/L).