| Anterior mediastinum |
Thymic cyst |
Anterior mediastinum |
Phrenic nerve paralysis and chylothorax (5,6) |
| Middle mediastinum |
Bronchogenic cysts |
One third in middle mediastinum (4,7) |
Recurrence if cyst not completely excised (3,4,7) |
| Two thirds extend to the limits of the posterior portion of the mediastinum (4,7) |
| Esophageal cysts |
Most commonly found embedded in the wall of the lower half of the esophagus (8) |
Tracheal and esophageal injuries, pseudodiverticulum development, and vagus nerve injury or paralysis (8) |
| Pericardial cysts |
50–70% located in cardiophrenic angle (9) |
Phrenic nerve injury (9,10) |
| 30–50% in the visceral compartment (9) |
| Posterior mediastinum |
Neurenteric cyst |
Posterior mediastinum |
Chylothorax (9,10) |
