,Additional topical anesthesia was applied to the larynx and then throughout the tracheobronchial tree for the procedure, a total of 16 cc of 2% Xylocaine was applied. 
,Additional topical anesthesia was applied to the larynx and then throughout the tracheobronchial tree for the procedure , a total of 16 cc of 2 % Xylocaine was applied .