Malignant Ovarian Epithelial Tumor

**Semantic type:** Neoplastic Process

**Definition:** An invasive malignant tumor that originates from the surface epithelium of the ovary. It is composed of malignant epithelial cells and stroma. Representative examples include serous adenocarcinoma, mucinous adenocarcinoma, endometrioid adenocarcinoma, clear cell adenocarcinoma, and malignant Brenner tumor.

**Synonyms:** - Malignant Ovarian Surface Epithelial-Stromal Neoplasm - Malignant Ovarian Surface Epithelial-Stromal Tumor - Ovarian stromal cancer