1
.
| Sternocleidomastoid muscle (cut off) |
2
.
| Ascending cervical artery |
3
.
| Transverse colli artery |
4
.
| Anterior scalene muscle (cut off note remnant of insertion of this muscle on first rib slightly lower in view) |
5
.
| Branches of costocervical trunk (upper pointer, deep cervical artery; lower pointer, supreme intercostal artery) |
6
.
| Inferior trunk brachial plexus |
7
.
| Rib I (cut off) |
8
.
| Thoracic nerve |
9
.
| Rami intercostal nerve I |
10
.
| Sympathetic trunk |
11
.
| Ramus communicans |
12
.
| Rib II |
13
.
| Intercostal nerve II |
14
.
| Innermost intercostal muscle |
15
.
| Common carotid artery |
16
.
| Middle cervical ganglion |
17
.
| Vagus nerve right |
18
.
| Thyrocervical trunk |
19
.
| Vertebral artery |
20
.
| Trachea |
21
.
| Upper pointer: Internal thoracic artery (cut off) Lower pointer: Ansa subclavia |
22
.
| Stellate ganglion |
23
.
| Posterior mediastinal lymph node |
24
.
| Anterior longitudinal ligament |
25
.
| Esophagus |
26
.
| Thoracic cardiac nerve |
27
.
| Branch posterior intercostal artery (to esophagus, trachea) |
28
.
| Intercostal vein III |