Fig. 2
From: Delayed bronchial perforation after bulla cauterization with soft coagulation system
a Computed tomography on postoperative day 24 shows a fistula on the IBT (arrow) to the inside of the bulla in the segment 6 of the right lung (dotted line). b Bronchoscopic finding reveals a large perforation of the IBT (arrows). RULB right upper lobe bronchus