I — Azygos vein; 2 — Hemi-azygos vein; Inferior hemi-azygos vein; 3 — Thoracic aorta; 4 — Oesophagus; 5 — Pulmonary ligament; 6 — Pleura, mediastinal part; 7 — Pericardium; 8 — Internal thoracic artery and vein; 9 — Costomediastinal recess; 10 — Costodiaphragmatic recess;
II — Pericardium, diaphragmatic part; 12 — Phrenic nerve; 13 — Inferior vena cava; 14 — Pleura, diaphragmatic part; 15 — Vertebromediastinal
recess; 16 — Sympathetic trunk
