<prompt> All of the following structures passes through the deltopectoral triangle, EXCEPT:Cephalic veinAxillary nerveDeltopectoral lymph nodesBranch of thoracoacromial aery  <response>: Contents of the deltopectoral triangle are cephalic vein, deltoid branch of thoracoacromial aery and deltopectoral nerves. Boundaries of the triangle are formed by:Upper margin of pectoralis major mediallyAnterior margin of deltoid laterallyClavicle superiorlyRef: Clinical Anatomy: a Problem Solving Approach By Kulkarni PAGE 85. 