_:vb50955165 . _:vb50955165 . _:vb50955165 . _:vb50955165 "url:https://www.cancer.gov/rare-brain-spine-tumor/tumors/oligodendroglioma"^^ . _:vb50955165 "An oligodendroglioma that is characterized by focal or diffuse malignant morphologic features (prominent nuclear pleomorphism, mitoses, and increased cellularity)."^^ . _:vb50955165 "url:https://my.clevelandclinic.org/health/diseases/21191-oligodendroglioma"^^ . _:vb50955165 "url:https://en.wikipedia.org/wiki/Anaplastic_oligodendroglioma"^^ . _:vb50955165 .