_:vb50955414 . _:vb50955414 . _:vb50955414 "url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5520233/"^^ . _:vb50955414 . _:vb50955414 "A choriocarcinoma of the ovary that develops in the presence of a preceding gestational event."^^ . _:vb50955414 . _:vb50955414 .