title: Malignant sacrococcygeal teratoma. A case report.
mesh_terms: D000328:Adult; D005260:Female; D005333:Fetus; D006801:Humans; D011247:Pregnancy; D012445:Sacrococcygeal Region / Q000473:pathology; D012737:Sex Factors; D013724:Teratoma / Q000453:epidemiology / Q000473:pathology