1. Volume 150, Issue 3, Pages e87-e91 (September 2016)
A 34-Year-Old Pregnant Woman With Cough, Chest Pain, and a Left Upper Lobe Mass 
Sujith V. Cherian, MD, Karunakar Akasapu, MD, Anupam Kumar, MD, Shakuntala H. Mauzo, MD, Meenakshi B. Bhattacharjee, MD 
CHEST 
Volume 150, Issue 3, Pages e87-e91 (September 2016)
DOI: /j.chest
Copyright © 2016 American College of Chest Physicians Terms and Conditions

2. Figure 1
A, Chest CT mediastinal window showing left upper lobe mass with chest wall involvement and abutting the pulmonary artery trunk. B, Chest CT lung and mediastinal window showing the left upper lobe mas with extension into the left mainstem bronchus. C, Chest CT scan lung window in coronal plane showing left upper lobe mass with left mainstem bronchus involvement.
CHEST  , e87-e91DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

3. Figure 2
Bronchoscopic view of the tumor at the level of the left mainstem bronchus.
CHEST  , e87-e91DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

4. Figure 3
A, B, Low-power view of endobronchial biopsy (hematoxylin-eosin, original magnification ×40) showing epithelial component resembling developing lung and scant stroma without atypia (A) and squamous morule (B). C, Ki-67 approaching 100% within the epithelial component (original magnification ×100). D, Squamous morule staining positive for synaptophysin (original magnification ×100). E, Epithelial component staining positive for thyroid transcription factor 1 (original magnification ×100). F, Epithelial component staining positive for β-catenin (original magnification ×200).
CHEST  , e87-e91DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions