An adenocarcinoma that arises from the ovary. It is the most common type of ovarian carcinoma. It includes the serous adenocarcinoma, mucinous adenocarcinoma, clear cell adenocarcinoma, and endometrioid adenocarcinoma. The disease is Monarch Disease Ontology identifier MONDO_0002752 (ovarian adenocarcinoma). Also known as: adenocarcinoma of ovary, adenocarcinoma of the ovary, ovary adenocarcinoma.