Fetus-in-fetu.
D000008:Abdominal Neoplasms / Q000175:diagnosis; D009008:Abnormalities, Severe Teratoid / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D005333:Fetus; D006801:Humans; D007223:Infant; D013724:Teratoma / Q000175:diagnosis; D014057:Tomography, X-Ray Computed