The labeled structures are (excluding the correct side):

1. sternocleidomastoid muscle
2. thyroid gland
3. internal jugular vein
4. vertebral artery
5. right common carotid artery
6. strap muscle
7. thyrocervical trunk
8. cervical esophagus
9. axillary artery
10. right subclavian artery
11. neck of the rib
12. anterior jugular vein
13. subscapularis muscle
14. costotransverse joint
15. supraspinatus muscle
16. pectoralis major muscle
17. spine of scapula
18. clavicle
19. axillary vein (non-opacified)
20. subclavian vein
21. trapezius muscle
22. inferior thyroid vein
23. pectoralis minor muscle
24. left common carotid artery
25. brachiocephalic trunk
26. axillary vein (opacified)
27. trachea
28. left subclavian artery
29. sternoclavicular joint
30. right brachiocephalic vein (non-opacified)
31. costovertebral joint
32. tubercle of the rib
33. costal cartilage
34. internal thoracic artery
35. thoracic esophagus
36. left brachiocephalic vein (opacified)
37. manubrium of the sternum
38. aortic arch
39. head of the rib
40. vertebral body
41. mediastinal fat
42. internal thoracic vein
43. intercostal space
44. pulmonary trunk
45. superior vena cava
46. carina
47. left upper lobar pulmonary artery
48. azygos arch
49. right main bronchus
50. left pulmonary artery
51. left main bronchus
52. right upper lobar pulmonary artery
53. internal thoracic artery
54. right pulmonary artery
55. bronchus intermedius
56. left atrial appendage
57. right atrial appendage
58. pulmonary valve (approximate location)
59. ascending aorta
60. left superior pulmonary vein
61. left anterior descending artery (anterior interventricular artery)
62. right interlobar pulmonary artery
63. right middle lobe bronchus
64. left interlobar pulmonary artery
65. right inferior lobe bronchus
66. left inferior pulmonary vein
67. interatrial septum
68. right superior pulmonary vein
69. aortic valve (approximate location)
70. thoracic esophagus
71. left atrium
72. descending aorta
73. body of the sternum
74. mitral valve (approximate location)
75. right inferior pulmonary vein
76. right atrium
77. interventricular septum
78. left ventricular apex
79. right ventricle
80. tricuspid valve (approximate location)
81. left ventricle
82. xiphoid of the sternum
83. erector spinae muscles
84. coronary sinus
85. posterior intercostal artery
86. inferior vena cava
87. right pericardial fat pad
88. azygos vein
89. posterior descending artery (posterior interventricular artery)
90. esophagus passing through the esophageal hiatus of the diaphragm
91. linea alba
92. superior epigastric artery
93. hemiazygos vein
94. right crus of the diaphragm
95. rectus abdominis muscle
96. abdominal aorta
97. left crus of the diaphragm