title: Tumor-cell markers: a biologic shell game?
mesh_terms: D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications* / Q000601:surgery; D002546:Ischemic Attack, Transient / Q000209:etiology; D012008:Recurrence; D012422:Rupture, Spontaneous; D013345:Subarachnoid Hemorrhage / Q000209:etiology / Q000601:surgery*