WFDC2 and ovarian cancer: In the screen arms of United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS), ultrasound data on adnexal masses detected during the initial screen and banked serum samples provided an opportunity to compare models incorporating CA125, HE4, and TVS features of the adnexal mass both alone and in combination in a population-based cohort of postmenopausal women.