Part IV Thorax
Right lung root and mediastinum – from the right

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Right pulmonary artery (divided)
Vagus nerve
Body of clavicle
Right inferior pulmonary vein (divided)
Greater splanchnic nerve
Fourth costal cartilage
First (I) rib
Internal thoracic artery and vein
Fifth (V) rib
Pericardium covering ascending aorta
Cervicothoracic (stellate) ganglion
Left brachiocephalic vein
Superior vena cava
Trachea
Azygos vein
Right subclavian vein
Tenth (X)
Third costal cartilage
Seventh (VII) rib
Sympathetic trunk and ganglion
Right main bronchus (divided)
Second costal cartilage
Pericardium (pericardial sac) over right atrium
Right superior pulmonary vein (divided)
Phrenic nerve
Second (II) rib
Superior surface (floor) of right dome of diaphragm
First costal cartilage
Sixth (VI) rib
Fourth (IV) rib
Third (III) rib
Oesophagus
Eighth (VIII) rib
Right subclavian artery
Right brachiocephalic vein
Posterior intercostal artery, vein and nerve
Ninth (IX) rib