WFDC2 and neoplasm: The results of serum tumor markers showed a CA125 level of 68.8 U/ml (< 35.0 U/ml), and normal levels of alpha-feroprotein (AFP), carcinoembryonic antigen (CEA), CA15-3, CA19-9, human epididymis protein 4 (HE4) and squamous cell carcinoma antigen (SCCA).