The ROC area under curves (AUCs) and standard errors were based on the complete data set from 134 ovarian tumor serum samples and 64 healthy controls using TK1p, CA 125, HE4, TK1p + CA 125, TK1p + HE4, and TK1p + ROMA index biomarkers. This evidence concerns the gene WFDC2 and ovarian neoplasm.