1 — Lumbar part, right crus; 2 — Medial arcuate ligament; 3 — Lateral arcuate ligament; 4 — Right costodiaphragmatic recess; 5 — Aortic hiatus; 6 — Oblique fissure; 7 — Right lung, inferior lobe; 8 — Middle lobe of right lung; 9 — Oesophageal hiatus, loop; 10 — Horizontal fissure of right lung; 11 — Right lung, superior lobe; 12 — Manubriosternal synchondrosis; 13 — Costomediastinal recess; 14 — Left lung, superior lobe;15 — Cardiac notch of left lung; 16 — Apex of heart; 17 — Left lung, inferior lobe; 18 — Inferior lingular segment [SV]; 19 — Inferior border; 20 — Left costodiaphragmatic recess; 21 — Costal part; 22 — Oesophageal hiatus; 23 — Lumbar part, left crus