title: Fetus in fetu and teratoma. A case report and review.
mesh_terms: D009008:Abnormalities, Severe Teratoid / Q000150:complications* / Q000473:pathology; D000757:Anencephaly / Q000150:complications; D005333:Fetus / Q000473:pathology; D006801:Humans; D007223:Infant; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000150:complications* / Q000473:pathology; D013724:Teratoma / Q000150:complications* / Q000473:pathology