Fig. 2From: Tubeless uniportal thoracoscopic wedge resection with modified air leak test and chest tube drainageAir leak test and chest tube drainage. a Lung was immersed in saline and expanded for air leak test. b A chest tube was inserted to top of thoracic cavity. c Chest tube was connected to a water-sealed bottle. d Incision was closed with continuous suturesBack to article page