ovarian epithelial tumor ovarian clear cell tumor clear cell ovarian cancer MEDGEN:138040 ovarian clear cell tumor A benign, borderline, or malignant epithelial tumor of the ovary that is characterized by a predominance of clear and hobnail cells. NCIT:C40076 ONCOTREE:CCOV MONDO:0021144 ovarian clear cell neoplasm UMLS:C0346164