1. Benign expectoration of a surgical clip through a pneumonectomy stump
Zahoor Ahmed, MD, Larry R. Kaiser, MD, Joseph B. Shrager, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 124, Issue 5, Pages (November 2002)
DOI: /mtc
Copyright © 2002 American Association for Thoracic Surgery Terms and Conditions

2. Fig. 1 Photograph of actual titanium clip expectorated by patient.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc )
Copyright © 2002 American Association for Thoracic Surgery Terms and Conditions

3. Fig. 2
Chest radiograph demonstrating air space adjacent to the right pneumonectomy stump. Note multiple radiopaque clips also in the vicinity of the stump.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc )
Copyright © 2002 American Association for Thoracic Surgery Terms and Conditions

4. Fig. 3
Barium swallow confirming dilated proximal esophagus without distal obstruction.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc )
Copyright © 2002 American Association for Thoracic Surgery Terms and Conditions