Mediastinum specimen in adult (right view) anterior branch of 7th cervical n right vagus n right subclavian a. right common carotid a Ist rib mediastinal pleura costal pleura ternal angle right superior lobar bronchus right superior lobar v. right superior pulmonary v ht middle lobar bronchus costomediastinal recess right inferior lobar bronchus right middle lobar v right inferior pulmonary v. costodiaphragmatic recess costodiaphragmatic recess diaphragmatic pleuraMediastinum specimen in adult (right view)