title: Haemangiopericytoma of the pre-sacral space.
mesh_terms: D000328:Adult; D001859:Bone Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D005260:Female; D006393:Hemangiopericytoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D006801:Humans; D009364:Neoplasm Recurrence, Local; D012447:Sacrum