_:vb50953714 . _:vb50953714 . _:vb50953714 "An ovarian benign neoplasm struma ovarii that is not cancerous and that is composed either exclusively or predominantly of thyroid tissue."^^ . _:vb50953714 . _:vb50953714 . _:vb50953714 . _:vb50953714 "url:https://www.ncbi.nlm.nih.gov/pubmed/25640097"^^ .