Fig. 9From: Surgery for lung cancer: postoperative changes and complications—what the Radiologist needs to knowPleural empyema. Axial post-contrast CT image (mediastinal window) showing a pyothorax caused by a bronchopleural fistula in the aftermath of a right upper lobectomy. We can observe loss of the internal concavity of the pleural pouch, with a biconvex collection, a thickening of the pleural pouch wall with parietal enhancementBack to article page