1. Decortication after 35 Years
D. Frederick Knudsen, M.D., F.C.C.P. 
CHEST 
Volume 71, Issue 5, Pages (May 1977)
DOI: /chest
Copyright © 1977 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Preoperative posteroanterior chest x-ray film. Note calcified margins of mass.
CHEST  , DOI: ( /chest )
Copyright © 1977 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Posteroanterior chest x-ray film taken nine months after surgery.
CHEST  , DOI: ( /chest )
Copyright © 1977 The American College of Chest Physicians Terms and Conditions