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All Images by Hacking C, CT chest lung window axial – labeling questions. Case study, Radiopaedia.org (Accessed on 12 Jul 2025) https://doi.org/10.53347/rID-63459

1. cervical portion of trachea
2. apical segment of RUL
3. apicoposterior segment of LUL
4. thoracic portion of trachea
5. thoracic portion of esophagus
6. left oblique (major) fissure
7. apical segmental bronchus of RUL
8. anterior segment of RUL
9. right main bronchus
10. posterior segmental bronchus of RUL
11. apicoposterior segmental bronchus of LUL
12. posterior segment of RUL
13. anterior segmental bronchus of RUL
14. right upper lobar bronchus
15. carina
16. anterior segmental bronchus of LUL
17. anterior segment of LUL
18. right oblique (major) fissure
19. left main bronchus
20. superior segment of RLL
21. bronchus intermedius
22. superior segment of LLL
23. right horizontal (minor) fissure
24. left upper lobar bronchus
25. left lingular bronchus
26. left lower lobar bronchus
27. superior lingular segmental bronchus of LUL
28. superior segmental bronchus of LLL
29. right middle lobar bronchus
30. superior segmental bronchus of RLL
31. lateral segmental bronchus of RML
32. right lower lobar bronchus
33. superior lingular segment of LUL
34. medial segmental bronchus of RML
35. lateral segment of RML
36. inferior lingular segmental bronchus of LUL
37. anteromedial basal segmental bronchus of LLL
38. lateral basal segmental bronchus of RLL
39. medial basal segmental bronchus of RLL
40. posterior basal segmental bronchus of LLL
41. left oblique (major) fissure
42. anterior basal segmental bronchus of RLL
43. posterior basal segmental bronchus of RLL
44. right oblique (major) fissure
45. lateral basal segmental bronchus of LLL
46. anteromedial basal segment of LLL
47. medial segment of RML
48. inferior lingular segment of LUL
49. medial basal segment of RLL
50. lateral basal segment of RLL
51. anterior basal segment of RLL
52. left oblique (major) fissure
53. posterior basal segment of RLL
54. accessory fissure
55. posterior basal segment of LLL
56. lateral basal segment of LLL
57. anterior costophrenic recess
58. lateral costophrenic recess
59. posterior costophrenic recess

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