1. Chronic Tracheopathia Osteoplastica
JOHN W. POLK, M.D., F.C.C.P., JOSE A. CUBILES, M.D. 
Diseases of the Chest 
Volume 34, Issue 5, Pages (November 1958)
DOI: /chest
Copyright © 1958 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1 Shows atelectatic area in the lingula of the lung.
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1958 The American College of Chest Physicians Terms and Conditions

3. FIGURE 2 Tracheogram showing thickening and rough edges in trachea.
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1958 The American College of Chest Physicians Terms and Conditions

4. FIGURE 3
(1) Schematic drawing of trachea. (1A) As seen through bronchoscope, (2) Schematic drawing showing extension into the right primary bronchus, 1957.
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1958 The American College of Chest Physicians Terms and Conditions