On admission, the laboratory indexes, mainly including serum electrolytes (Ca) and tumor markers (alpha-fetoprotein, carbohydrate antigen 125, carbohydrate antigen 19-9, carcinoembryonic antigen, human epididymis protein 4, risk of ovarian malignancy algorithm index), were all within the normal range (Table 1). The gene discussed is AFP; the disease is neoplasm.