case_images: PMC7509363_01
case_images: (a) The chest X-ray scan shows left pneumothorax and abnormal air density along the right border of the cardiac shadow (arrow heads). (b) The chest computed tomography scan reveals left pneumothorax, pneumopericardium, and a partial defect of the left pericardium (arrow).
case_images: gr1.jpg
case_images: PMC7509363_01_gr1.jpg
case_images: fig0005
case_images: Chest X-ray showed mild pneumothorax in the left lung and abnormal air around the cardiac shadow (Fig. 1a). Chest computed tomography (CT) revealed the left pneumothorax, a small bulla in the lung apex, the pneumopericardium, and a discontinuity of the left pericardium (Fig. 1b).
case_images: The intraoperative thoracoscopic image shows a partial defect of the left pericardium at the level of the upper hilum. PA: pulmonary artery; AA: atrial appendage.
case_images: gr2.jpg
case_images: PMC7509363_01_gr2.jpg
case_images: fig0010
case_images: The left atrial appendage was directly observed (Fig. 2).