 Subsequently this was carefully dissected preserving the brachiocephalic vein and also the integrity of the trachea and the carotid artery and these lymph nodes were removed in full and sent for histopathologic analysis. 
Subsequently this was carefully dissected preserving the brachiocephalic vein and also the integrity of the trachea and the carotid artery and these lymph nodes were removed in full and sent for histopathologic analysis .