All of the following lie between the 1st rib and the apex of the lung except
The thoracic duct oesnot lie between the 1st rib and the apex of the lung It arises through the supeior thoracic apeure. The structures present between the 1st rib and apex of the lung (medial to lateral) are SVAN: Sympathetic trunk Vein (posterior intercostal) Aery ( superior intercostal ) Nerve (T1 nerve) Ref: Gray's Anatomy 41st edition Pgno: 943-945
Superior intercoastal aretry
Thoracic duct
First posterior intercostal vein
Sympathetic trunk
Thorax