. "disease_ontology"^^ . "An ovary epithelial cancer that has_material_basis_in epithelial and stromal tissue and arises from the surface epithelium of the ovary."^^ . "DOID:2151"^^ . . . "malignant ovarian surface epithelial-stromal neoplasm"^^ . . "NCI:C40026"^^ . "UMLS_CUI:C1518236"^^ .