Cat axillary and thoracic 
regions, right lung removed

1. pectoral muscles, reflected
2. biceps brachii
3. triceps brachii, long head
4. palmaris longus
5. latissimus dorsi
6. diaphragm
7. heart
8. left lung
9. trachea
10. esophagus
11. ulnar nerve
12. median nerve
13. musculocutaneous nerve
14. radial nerve
15. vagus nerve (CN X)
16. sympathetic trunk
17. phrenic nerve
18. right brachial artery
19. right common carotid artery 
20. right axillary artery
21. right innominate or brachiocephalic artery
22. right subclavian artery
23. post cava
24. right and left innominate or brachiocephalic veins
25. azygos vein
26. pre cava
27. thymus gland, reflected
28. right pulmonary artery (cut)
29. right bronchus (cut)
30. right external jugular vein
31. right thoracodorsal artery
32. right thyrocervical trunk
33. thoracic duct

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Cat thoracic region, right lung removed