MONDO_0002583 (mucinous ovarian cystadenoma) is a benign neoplasm of the ovary characterized by the presence of cystic structures lined by mucinous columnar epithelial cells. Also known as: benign mucinous cystadenoma of ovary, benign mucinous cystadenoma of the ovary, benign ovarian mucinous cystadenoma, mucinous cystadenoma of ovary, mucinous cystadenoma of the ovary, ovarian mucinous cystadenoma, ovary mucinous cystadenoma.