1. Volume 154, Issue 2, Pages 455-456 (August 2018)
Response 
Alessandro Zanforlin, MD, PhD, Cristiano Perani, MD, Giampietro Marchetti, MD, FCCP 
CHEST 
Volume 154, Issue 2, Pages (August 2018)
DOI: /j.chest
Copyright © 2018 American College of Chest Physicians Terms and Conditions

2. Figure 1 The arrow shows the ultrasound sign of lung fissure (type 3).
CHEST  , DOI: ( /j.chest )
Copyright © 2018 American College of Chest Physicians Terms and Conditions

3. Figure 2
After entering the pleural space, the camera shows the inner of the fissure, with some fibrin wires (inflammatory pleurisy).
CHEST  , DOI: ( /j.chest )
Copyright © 2018 American College of Chest Physicians Terms and Conditions

4. Figure 3
CT scan after removing drainage. The arrows show the drainage site and the lung fissure.
CHEST  , DOI: ( /j.chest )
Copyright © 2018 American College of Chest Physicians Terms and Conditions