A Middle-aged Asthmatic Woman With Unresolving Cough Adrian Kwok-Wai Chan, MBBS, Keng Leong Tan, MBBS, Angela Takano, MD, Pyng Lee, MD, MBBS, FCCP CHEST Volume 139, Issue 3, Pages 712-716 (March 2011) DOI: 10.1378/chest.10-1039 Copyright © 2011 The American College of Chest Physicians Terms and Conditions
Figure 1 Chest radiograph showed a left main bronchus cutoff (arrow). CHEST 2011 139, 712-716DOI: (10.1378/chest.10-1039) Copyright © 2011 The American College of Chest Physicians Terms and Conditions
Figure 2 Chest CT scan showed an intraluminal mass in the left main stem bronchus with resultant obstructive hyperinflation of the left lung. CHEST 2011 139, 712-716DOI: (10.1378/chest.10-1039) Copyright © 2011 The American College of Chest Physicians Terms and Conditions
Figure 3 Bronchoscopic image of the tumor causing near total obstruction of the left main bronchus. CHEST 2011 139, 712-716DOI: (10.1378/chest.10-1039) Copyright © 2011 The American College of Chest Physicians Terms and Conditions
Figure 4 A higher magnification image showing tumor cells lacking necrosis and rare mitoses (hematoxylin-eosin stain; original magnification × 400). CHEST 2011 139, 712-716DOI: (10.1378/chest.10-1039) Copyright © 2011 The American College of Chest Physicians Terms and Conditions
Figure 5 A high-power view showing tumor cells staining positive for CD56, a neuroendocrine marker. (anti-CD56 stain; original magnification × 400). CHEST 2011 139, 712-716DOI: (10.1378/chest.10-1039) Copyright © 2011 The American College of Chest Physicians Terms and Conditions