1
.
| Serratus anterior muscle (upper portion) |
2
.
| Depression formed by vertebral border of scapula |
3
.
| Rib III (cut off) |
4
.
| Cupula pleurae |
5
.
| Azygos vein (covered by mediastinal pleura) |
6
.
| Upper pointer: Bronchus of upper right lobe Lower pointer: Right main bronchus (to middle and lower lobes) |
7
.
| Bronchopulmonary lymph node |
8
.
| Left atrium (right superior pulmonary vein cut off above pointer, right inferior pulmonary vein cut off below pointer) |
9
.
| Right vagus nerve |
10
.
| Esophagus |
11
.
| Pulmonary ligament |
12
.
| Diaphragm |
13
.
| Clavicle |
14
.
| Subclavius muscle |
15
.
| Subclavian artery and vein |
16
.
| Rib I |
17
.
| Pectoralis major muscle (cut off) |
18
.
| Right pulmonary artery |
19
.
| Internal thoracic artery |
20
.
| Costal cartilage III |
21
.
| Line of reflection of mediastinal pleura onto lung |
22
.
| Costomediastinal recess |
23
.
| Right atrium (covered by pericardium and mediastinal pleura) |
24
.
| Transversus thoracis muscle (cut across) |
25
.
| Rectus abdominis muscle |