1. An Unusual Cause of Stridor and Progressive Shortness of Breath
See Carolina Q. , MD, Olopade Christopher O. , MD, FCCP 
CHEST 
Volume 128, Issue 3, Pages (September 2005)
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Copyright © 2005 The American College of Chest Physicians Terms and Conditions

2. Figure 1 Flow-volume loop.
CHEST  , DOI: ( /chest )
Copyright © 2005 The American College of Chest Physicians Terms and Conditions

3. Figure 2 Chest radiograph.
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Copyright © 2005 The American College of Chest Physicians Terms and Conditions

4. Figure 3
CT scan of the neck showing a thyroid mass compressing the trachea at the level of the vocal cords.
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Copyright © 2005 The American College of Chest Physicians Terms and Conditions