Dissect the root of the neck 1. Cut the sternoclavicular joint with the scaple 2. Saw the clavicle at the juncture of mid 1/3 and lat. 1/3, of the clavicle separate the infraclavius and remove cutted clavicle 3. Clean up the lat region of the neck and observe the triangle of vertebral artery Search and identify mp影肥N要"" Thyrocervical trunk erior cervical ganglia Vertebral a thoracic Thoracic duct phrenic Internal tharacic a I Vagus n Phrenic n Recurrent laryngeal n saw Observe subclavian a cut Cervical symphatic trunkDissect the root of the neck 1. Cut the sternoclavicular joint with the scaple. 2. Saw the clavicle at the juncture of mid 1/3 and lat. 1/3, of the clavicle separate the infraclavius and remove cutted clavicle. 3. Clean up the lat.region of the neck and observe the triangle of vertebral artery. cut saw Search and identify Thyrocervical trunk Vertebral a. Thoracic duct Internal tharacic a. Vagus n. Phrenic n. Recurrent laryngeal n. Observe subclavian a. Cervical symphatic trunk