_:vb50941754 . _:vb50941754 . _:vb50941754 . _:vb50941754 "A malignant astrocytoma that is characterized by the presence of five or more mitoses per 10 high-power fields."^^ . _:vb50941754 "url:https://www.hindawi.com/journals/crinm/2018/6428492/"^^ . _:vb50941754 .