A choriocarcinoma of the central nervous system that occurs in an adult. The disease is Monarch Disease Ontology identifier MONDO_0003952 (adult central nervous system choriocarcinoma). Also known as: adult CNS choriocarcinoma, adult choriocarcinoma of the central nervous system, choriocarcinoma of adult CNS, choriocarcinoma of adult central nervous system, choriocarcinoma of the adult CNS, choriocarcinoma of the adult central nervous system, choriocarcinoma of the central nervous system of adults.