| 1
.
| Vertebra Th. III (pointer on posterior longitudinal ligament) |
| 2
.
| Left subclavian artery |
| 3
.
| Phrenic nerve |
| 4
.
| Intercostal nerve |
| 5
.
| Upper pointer: Esophagus (cut off) Lower pointer: Trachea (cut off) |
| 6
.
| Recurrent laryngeal nerve |
| 7
.
| Aortic arch |
| 8
.
| Costal cartilage II |
| 9
.
| Body of sternum (covered by sternal membrane) |
| 10
.
| Upper pointers: Internal thoracic veins Lower pointer: Internal thoracic artery |
| 11
.
| Anterior intercostal branch internal thoracic artery |
| 12
.
| Sternal branches internal thoracic artery |
| 13
.
| Costal pleura |
| 14
.
| Sternal part of diaphragm |
| 15
.
| Pericardium |
| 16
.
| Rib II |
| 17
.
| Right subclavian vein |
| 18
.
| Rib I |
| 19
.
| Sternothyroid muscle |
| 20
.
| Vagus nerve right |
| 21
.
| Superior vena cava (cut off) |
| 22
.
| Ascending aorta |
| 23
.
| Azygos vein (cut off) |
| 24
.
| Vertical fascial bands related to transversus thoracis muscle |
| 25
.
| Right internal thoracic artery |
| 26
.
| Left internal thoracic vein |
| 27
.
| Innermost intercostal muscle |
| 28
.
| Transversus thoracis muscle |
| 29
.
| Diaphragm |
