title: Astrocytoma arising in meningeal fibrosarcoma.
mesh_terms: D001254:Astrocytoma / Q000209:etiology / Q000473:pathology*; D002493:Central Nervous System Diseases / Q000209:etiology / Q000473:pathology; D005354:Fibrosarcoma / Q000473:pathology*; D006801:Humans; D008297:Male; D008578:Meninges / Q000473:pathology*; D008875:Middle Aged; D009457:Neuroglia