Question: Faced with a 23-year-old patient who went to the emergency room on a Friday morning after a street fight, with clear signs of enolism and knife injury (stabbing) at the level of III right intercostal space 3 mm from the sternal margin, actively bleeding and hemodynamically unstable associated with marked hypophonia of all right hemithorax. Which structure of the following should you think may be injured? 
 Options:  <1> Right primitive carotid artery. <2> Right internal thoracic artery. <3> Right subscapular artery. <4> Upper right thyroid artery. <5> Thigh superior thymic artery.
2