This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax And Mediastinum, Subject name: Surgery
Middle mediastinal masses include all the following except: 
Select and explain. 
A. Bronchogenic cyst, B. Ascending aoic aneurysm, C. Pericardial cyst, D. Ganglioneuroma
D: Ganglioneuroma
Answer: D: Ganglioneuroma 
Explanation: Middle Mediastinum Cysts (MC in middle mediastinum): - Pericardial (MC) - Bronchogenic - Entergenous - Neuroenteric Vascular masses (aneurysm) LN enlargement and lymphoma Mesenchymal tumors Pheochromocytoma