1 — Azygos vein; 2 — Right inferior lobar bronchus; 3 — Middle lobar bronchus; 4 — Bronchial veins; 5 — Right superior lobar bronchus; 6 — Superior vena cava; 7 — Right brachiocephalic vein; 8 — Inferior thyroid vein; 9 — Trachea; 10 — Left brachiocephalic vein; 11 — Accessory hemi-azygos vein; Superior hemi-azygos vein; 12 — Left main bronchus; 13 — Left superior lobar bronchus; 14 — Left inferior lobar bronchus;
15 — Hemi-azygos vein; Inferior hemi-azygos vein
