Serum tumor markers were obtained: alpha fetoprotein, 71.8 ng/mL (normalrange, up to 8.0 ng/mL); human chorionic gonadotropin (hCG), 2,003 mUI/mL (normalrange, inferior to 5.0 mUI/mL), and lactate dehydrogenase, 546 UI/L (normal range,120 to 246 UI/L). The gene discussed is AFP; the disease is neoplasm.