1
.
| Upper lobe left lung |
2
.
| Oblique fissure |
3
.
| Thoracic duct |
4
.
| Esophagus |
5
.
| Posterior intercostal artery II |
6
.
| Lower lobe left lung |
7
.
| Accessory hemiazygos vein |
8
.
| Thoracic aorta (note origins of paired posterior intercostal arteries) |
9
.
| Pericardium |
10
.
| Upper pointer: Pulmonary ligament Lower pointer: Hemiazygos vein |
11
.
| Greater splanchnic nerves (cut off) |
12
.
| Rib IX |
13
.
| Intervertebral disc Th. XI-XII |
14
.
| Posterior longitudinal ligament |
15
.
| Spinal cord |
16
.
| Cupula pleurae |
17
.
| Intervertebral disc Th. II- III |
18
.
| Upper lobe right lung |
19
.
| Trachea |
20
.
| Oblique fissure |
21
.
| Azygos vein (passing anteriorly to join superior vena cava) |
22
.
| Right main bronchus |
23
.
| Right pulmonary artery |
24
.
| Right inferior pulmonary vein |
25
.
| Right vagus nerve |
26
.
| Inferior lobe right lung |
27
.
| Azygos vein |
28
.
| Pericardium enclosing inferior vena cava |
29
.
| Diaphragm |
30
.
| Mediastinal pleura |