Fig. 3

Operative findings. a Thoracoscopic partial resection of the right upper lobe showing the three ports: (1), (2), and (3). We inserted a 5-mm port on the mid-axillary line at the sixth intercostal space (1), followed by a 5-mm port inserted on the posterior axillary line at the sixth intercostal space (2), and a 12-mm port on the anterior axillary line at the fourth intercostal space (3). b The cyst wall is partially ruptured in the upper right lobe (S1-2). c An opening to the bronchiole was confirmed in the cyst wall (yellow arrow)