Esophagus is present in all except
It passes through the mediastinum in both the superior and the inferior posterior sections before entering the abdominal cavity by passing through the right crus of the diaphragm at the level of the tenth thoracic veebrae. ref - BDC vol1 6e pg 282
Superior mediastinum
Middle mediastinum
Anterior mediastinum
Posterior mediastinum
Thorax