_:vb50953734 "A leiomyosarcoma that is located_in the central nervous system."^^ . _:vb50953734 . _:vb50953734 "url:https://www.ncbi.nlm.nih.gov/pubmed/10761660"^^ . _:vb50953734 . _:vb50953734 . _:vb50953734 . _:vb50953734 .