Monarch Disease Ontology id MONDO_0004535 (childhood choriocarcinoma of the ovary) is a non-gestational choriocarcinoma that arises from the ovary and occurs in children. Also known as: childhood choriocarcinoma of ovary, childhood ovarian choriocarcinoma, choriocarcinoma of ovary of childhood, paediatric choriocarcinoma of ovary, paediatric choriocarcinoma of the ovary, paediatric ovarian choriocarcinoma, pediatric choriocarcinoma of ovary, pediatric choriocarcinoma of the ovary.