1 — Left pulmonary artery; 2 — Superior diaphragmatic nodes; 3 — Node of ligamentum arteriosum; 4 — Inferior tracheobronchial nodes; 5 — Right pulmonary vein; 6 — Right pulmonary artery; 7 — Superior tracheobronchial nodes; 8 — Right main bronchus; 9 — Anterior mediastinal nodes; 10 — Vagus nerve [X]; 11 — Internal thoracic artery; 12 — Internal thoracic vein; 13 — Superior thyroid vein; 14 — Paratracheal nodes; 15 — Ligamentum arteriosum (Ductus arteriosus); 16 — Recurrent laryngeal nerve; 17 — Left superior pulmonary vein; 18 — Left
inferior pulmonary vein