Coronal section of lungs: superior lobe of right lung  |  middle lobe of right lung |  inferior lobe of right lung | superior lobe of left lung  |  inferior lobe of left lung | trachea  |  right primary bronchus |  right superior secondary bronchus | right inferior secondary bronchus | right tertiary bronchus |  left primary bronchus |  left superior secondary bronchus | left inferior secondary bronchus | subsegmental bronchus | left pulmonary artery | left superior pulmonary vein | left inferior pulmonary vein | diaphragm | superior vena cava | ascending aorta |