A case of fetus in fetu in the posterior mediastinum

The patient was a 1–day–old baby boy. The baby was delivered by normal spontaneous vaginal delivery in the 35th week of gestation and weighed 3100 g. The patient was admitted to the neonatal intensive care unit for severe respiratory distress. A posterior mediastinum tumor with calcified regions was found by chest X–ray and CT. The tumor was surgically resec..