This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
Esophagus is present in all except 
Select and explain. 
A. Superior mediastinum, B. Middle mediastinum, C. Anterior mediastinum, D. Posterior mediastinum
C: Anterior mediastinum
Answer: C: Anterior mediastinum 
Explanation: 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