Anterior |
Visceral (middle) |
Paravertebral (posterior) |
Thymus |
Pericardium/heart |
Sympathetic chain |
Internal thoracic vessels |
Great vessels |
Proximal intercostal nerve, artery, and vein |
Internal thoracic lymph nodes |
Trachea |
Posterior paraesophageal lymph nodes |
Fat and connective tissue |
Proximal right and left mainstem bronchi |
Intercostal lymph nodes |
|
Esophagus |
|
Phrenic nerve |
Thoracic duct |
Proximal azygos vein |
lymph nodes |
Fat and connective tissue |