1. Volume 151, Issue 6, Pages e135-e139 (June 2017)
An Elderly Man With Pancreatic Neuroendocrine Tumor and a Cavitary Right Upper Lobe Lung Mass 
Palla DeSilva, MD, Adarsha Selvachandra, MD, Jennifer Kanaan, MD, Debapriya Datta, MD, FCCP 
CHEST 
Volume 151, Issue 6, Pages e135-e139 (June 2017)
DOI: /j.chest
Copyright © 2016 American College of Chest Physicians Terms and Conditions

2. Figure 1 Chest radiograph revealing right upper lobe mass.
CHEST  , e135-e139DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

3. Figure 2
Initial CT scan of chest showing right upper lobe mass with surrounding area of ground glass opacity (halo sign).
CHEST  , e135-e139DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

4. Figure 3
Second chest radiograph, 3 weeks later, revealing progression of the mass with cavitation.
CHEST  , e135-e139DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

5. Figure 4
Subsequent chest CT (3 weeks after initial scan) showing enlarged right upper lobe mass with cavitation. Patchy opacities are present in the adjoining areas.
CHEST  , e135-e139DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

6. Figure 5
Additional section of subsequent chest CT showing new right lower lobe mass.
CHEST  , e135-e139DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

7. Figure 6
Gram stain of sputum culture revealing beaded branching filamentous Gram-positive bacilli.
CHEST  , e135-e139DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions