Fig. 8
From: Surgery for lung cancer: postoperative changes and complications—what the Radiologist needs to know
Bronchopleural fistula. A–D CXR 1 day, 3 days, 7 days and 10 days after surgery, with progressive elevation of the air–fluid level. E Febrile acute respiratory distress at day 28, CXR showing a decrease in the air–fluid level (black arrow). F Axial CT image (parenchymal window) at day 28 confirming that the air–fluid level is too low at this stage and showing an air bubble in contact with the bronchial stump (white arrow)