| 1
.
| Trapezius muscle |
| 2
.
| Articular branch of lateral anterior thoracic nerve to acromioclavicular and shoulder joints |
| 3
.
| Clavicle |
| 4
.
| Subclavius muscle |
| 5
.
| Anterior lateral thoracic nerve |
| 6
.
| Lateral cord of brachial plexus |
| 7
.
| Axillary artery and vein |
| 8
.
| Subclavian trunk |
| 9
.
| Axillary lymph nodes (subclavian group) |
| 10
.
| Axillary lymph nodes (central group) |
| 11
.
| Rib II |
| 12
.
| Coracoclavicular fascia |
| 13
.
| Intercostobrachial nerve |
| 14
.
| Axillary lymph nodes (anterior pectoral group) |
| 15
.
| Deltoid muscle |
| 16
.
| Thoracoacromial artery (cut off) |
| 17
.
| Pectoralis minor muscle (reflected laterally) |
| 18
.
| Anterior medial thoracic nerve |
| 19
.
| Supreme thoracic artery |
| 20
.
| Pectoralis major muscle (reflected laterally) |
| 21
.
| Axillary lymph nodes (lateral group) |
| 22
.
| Upper pointer: Axillary fascia Lower pointer: Lateral thoracic artery |
