Fig. 1
From: Successful treatment of bilateral empyema with bilateral fistulae using free intercostal muscle flap
a CT on admission showed bilateral pneumothorax and pleural effusion. The intraoperative findings at the first surgery are shown: b fistula in the right lateral segment (S9), c fistula in the right posterior segment (S10) (black arrow), d fistula in the left posterior basal segment (S10) (black arrow), e free intercostal muscle flap plugged into the left fistula, f left S10 fistula sutured after plugging with the free intercostal muscle flap