| 1
.
| Transverse process vertebrae Th. II |
| 2
.
| Rib II |
| 3
.
| Stellate ganglion |
| 4
.
| Thoracic nerve I |
| 5
.
| Costocervical trunk |
| 6
.
| Left vertebral artery |
| 7
.
| Ansa subclavia |
| 8
.
| Left subclavian artery |
| 9
.
| Rib I |
| 10
.
| Intercostal nerve I |
| 11
.
| Upper pointer: Esophagus Lower pointer: Trachea |
| 12
.
| Upper pointer: Left phrenic nerve Lower pointer: Left subclavian vein |
| 13
.
| Left common carotid artery |
| 14
.
| Aortic arch |
| 15
.
| Costal cartilage I |
| 16
.
| Upper pointer: Recurrent laryngeal nerve Lower pointer: Ligamentum arteriosum |
| 17
.
| Costal pleura |
| 18
.
| Ascending aorta |
| 19
.
| Sternothyroid muscle (origin from sternum) |
| 20
.
| Internal thoracic artery and vein |
| 21
.
| Spinal ganglion nerve Th. II |
| 22
.
| Posterior longitudinal ligament (crossing vertebra Th. II) |
| 23
.
| Intervertebral disc Th. II-III |
| 24
.
| Costotransverse ligament |
| 25
.
| Inferior costal facet |
| 26
.
| Thoracic nerve I |
| 27
.
| Cervical nerve VIII |
| 28
.
| Left pointer: Costocervical trunk Right pointer: Inferior trunk brachial plexus |
| 29
.
| Right vertebral artery and vein |
| 30
.
| Right subclavian artery |
| 31
.
| Anterior scalene muscle |
| 32
.
| Right phrenic nerve |
| 33
.
| Right subclavian vein |
| 34
.
| Upper pointer: Right vagus nerve Lower pointer: Right brachiocephalic vein |
| 35
.
| Left pointer: Brachiocephalic trunk Right pointer: Inferior thyroid vein |
| 36
.
| Upper pointer: Left brachiocephalic vein Lower pointer: Azygos vein |
| 37
.
| Superior vena cava |
| 38
.
| Manubrium of sternum (covered by sternal membrane) |
