1. Elderly Woman With Shortness of Breath
Yune Kwong, FRANZCR, Parm Naidoo, FRANZCR 
Annals of Emergency Medicine 
Volume 65, Issue 6, Pages (June 2015)
DOI: /j.annemergmed
Copyright © 2015 American College of Emergency Physicians Terms and Conditions

2. Figure 1
On pulmonary ventilation-perfusion scan, marked absence of ventilation in the right lung was observed (left panel), as well as a less severe reduction in perfusion (right panel).
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2015 American College of Emergency Physicians Terms and Conditions

3. Figure 2
CT demonstrating soft tissue thickening (arrow) of the right main bronchus, causing severe luminal stenosis.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2015 American College of Emergency Physicians Terms and Conditions

4. Figure 3
Bronchoscopic view of the carina demonstrating luminal narrowing of the right main bronchus (asterisk) and hyperemia of the mucosa.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2015 American College of Emergency Physicians Terms and Conditions