1 — Costodiaphragmatic recess; 2 — Parietal pleura, diaphragmatic part; 3 — Inferior lobe; Lower lobe; 4 — Middle lobe of right lung; 5 — Superior lobe; Upper lobe; 6 = 3 + 4 + 5 — Right lung; 7 — Right lung, anterior border; 8 — Parietal pleura, costal part; 9 — Second [II] rib; 10 — Apex of lung; 11 — Subclavius; 12 — Clavicle; 13 — Scalenus anterior; Anterior scalene; 14 — Phrenic nerve; 15 — Jugular venous arch; 16 — Inferior thyroid vein; 17 — Thyroid gland, lobe; 18 — Cricothyroid; 19 — Sternothyroid; 20 — Pyramidal lobe; 21 — Sternohyoid; 22 — Thyrohyoid; 23 — Thyroid cartilage; 24 — Omohyoid, superior belly; 25 — Superior thyroid artery; 26 — Superior thyroid vein; 27 — Cervical fascia, investing layer; superficial layer; 28 — Sternocleidomastoid; 29 — Common carotid artery; 30 — Common carotid plexus; 31 — Internal jugular vein; 32 — Brachiocephalic vein; 33 — Internal thoracic veins; 34 — Thymus; 35 — Pectoralis major; 36 — Left lung; 37 — Anterior border; 38 — Pericardium; 39 — Cardiac notch of left lung; 40 — Lingula of left lung; 41 — Inferior border; 42 — External oblique; 43 — Transversus thoracis; 44 — Costomediastinal recess; 45 — Sternal part; 46 — Rectus abdominis; 47 — Internal thoracic veins; 48 — Internal thoracic artery
