Colloid cyst of the third ventricle.
D000328:Adult; D001927:Brain Diseases / Q000000981:diagnostic imaging*; D002533:Cerebral Angiography; D002552:Cerebral Ventricles; D003560:Cysts / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D014057:Tomography, X-Ray Computed