disease has location disease arises from structure disease arises from alteration in structure ovarian epithelial tumor https://www.malacards.org/card/ovary_epithelial_cancer A benign, borderline, or malignant tumor that originates from the surface epithelium of the ovary. It is composed of epithelial cells and stroma. Representative examples of benign tumors include serous cystadenoma, mucinous cystadenoma, and benign Brenner tumor. Representative examples of borderline tumors include serous surface papillary tumor, mucinous adenofibroma, and borderline Brenner tumor. Representative examples of malignant tumors include serous adenocarcinoma, mucinous adenocarcinoma, endometrioid adenocarcinoma, and malignant Brenner tumor. ovarian epithelial tumor ovary epithelial cancer epithelial neoplasm of the ovary UMLS:C0341823 epithelial tumour of ovary ovarian surface epithelial-stromal tumor DOID:2152 SCTID:237057005 epithelial tumour of the ovary epithelial neoplasm of ovary MONDO:0002229 MEDGEN:90969 OVT NCIT:C4381 epithelial tumor of the ovary ONCOTREE:OVT ovarian surface-epithelial stromal neoplasm epithelial tumor of ovary ICD9:239.5 ovary epithelial neoplasm ovarian surface epithelial-stromal tumour epithelial neoplasm ovarian neoplasm ovary germinal epithelium of ovary