The<unk>  is a long slender branch, that accompanies the phrenic nerve, between the pleura and pericardium, to the diaphragm, to which it is distributed; it anastomoses with the musculophrenic and inferior phrenic<unk> es.
Pericardiacophrenic artery
Descending aorta
Coronary sulcus
Thoracic aorta
Coronary sinus
Ascending aorta
Subclavian vein
Internal thoracic artery