CT abdomen/pelvis (lower) axial - labeling questions

The labeled structures are (excluding the correct side):

1. ascending colon
2. superior mesenteric vein
3. superior mesenteric artery
4. gonadal vessels
5. linea semilunaris
6. abdominal aorta
7. linea alba
8. inferior vena cava
9. inferior mesenteric artery
10. inferior mesenteric vein
11. lumbar vein
12. jejunum
13. right colic vessels
14. right common iliac artery
15. abdominal portion of the ureter
16. left colic artery
17. umbilicus
18. ileocecal valve
19. left common iliac artery
20. quadratus lumborum muscle
21. transversus abdominis muscle
22. terminal ileum
23. internal oblique muscle
24. right common iliac vein
25. descending colon
26. erector spinae muscle group
27. cecum
28. external oblique muscle
29. left common iliac vein
30. vermiform appendix
31. psoas major muscle
32. iliacus muscle
33. ileum
34. left external iliac artery
35. right internal iliac artery
36. superior rectal vein
37. superior rectal artery
38. right internal iliac vein
39. gluteus medius muscle
40. left internal iliac vein
41. gluteus minimus muscle
42. pelvic portion of the ureter
43. right external iliac artery
44. left external iliac vein
45. superior gluteal vessels
46. rectus abdominis muscle
47. sigmoid colon
48. piriformis muscle
49. right external iliac vein
50. inferior epigastric vessels
51. ductus deferens
52. obturator artery
53. obturator vein
54. urachus
55. obliterated umbilical artery
56. anterior inferior iliac spine
57. inferior gluteal vessels
58. vesiculoureteric junction
59. seminal vesicle
60. mesorectal fat
61. mesorectal fascia
62. urinary bladder
63. internal pudendal vessels
64. retropubic space (of Retzius)
65. inferior vesicular vessels
66. internal obturator muscle
67. fat within the inguinal canal
68. iliopsoas muscle
69. levator ani muscle
70. rectus femoris muscle
71. tensor fascia lata muscle
72. pectineus muscle
73. sartorius muscle
74. rectum
75. obturator canal
76. gluteus maximus muscle
77. prostate gland
78. inferior rectal artery
79. spermatic cord
80. ischioanal fossa
81. right common femoral vein
82. iliopsoas tendon
83. sciatic nerve
84. suspensory ligament of the penis
85. left common femoral artery
86. external obturator muscle

The same normal abdominopelvic CT without labels for reference.