1
.
| Sternocleidomastoid muscle |
2
.
| Common carotid artery and vagus nerve (X) |
3
.
| Posterior cervical triangle |
4
.
| Trapezius muscle |
5
.
| Upper pointer: Superficial cervical artery Lower pointer: Brachial plexus (pointer on superior trunk; roots lie medial, divisions lie lateral to pointer) |
6
.
| Upper pointer: Phrenic nerve Lower pointer: Anterior scalene muscle |
7
.
| Clavicle and subclavius muscle (cut across) |
8
.
| Upper pointer: Transversa colli artery Lower pointer: Transverse scapular artery |
9
.
| Brachial plexus (pointer on proximal portion of medial cord) |
10
.
| Axillary artery (first portion) |
11
.
| Axillary vein (cut off) |
12
.
| Brachiocephalic vein right |
13
.
| Pectoralis minor muscle |
14
.
| Axilla |
15
.
| Internal thoracic artery and vein |
16
.
| Rib II |
17
.
| Vertebral artery left |
18
.
| Ansa subclavia |
19
.
| Trachea |
20
.
| Upper pointer: Vertebral artery right Lower pointer: Subclavian artery right |
21
.
| Common carotid artery left |
22
.
| Middle right cardiac nerve |
23
.
| Brachiocephalic artery |
24
.
| Anterior mediastinal lymph node |
25
.
| Phrenic nerve |
26
.
| Superior cardiac branch of vagus nerve |
27
.
| Brachiocephalic vein left (cut off) |
28
.
| Pleura (of left lung) |
29
.
| Ascending aorta |
30
.
| Pleura (of right lung) |