RT Journal T1 NOt available JF Archives of Surgery JO Archives of Surgery YR 1999 FD March 1 VO 134 IS 3 SP 282 OP 282 DO 10.1001/archsurg.134.3.282 UL http://dx.doi.org/10.1001/archsurg.134.3.282 AB The left recurrent laryngeal nerve loops around the aorta at the level of the ligamentum arteriosum and then extends up posterior to the inferior thyroid artery. The right recurrent laryngeal nerve branches off the vagus, loops around the right subclavian artery, and courses posterior to the inferior thyroid artery.1