1. An Unusual Presentation of Metastatic Colon Cancer to the Lung
Elias A. Zias, MD, Randall P. Owen, MD, Alain. Borczuk, MD, Joseph Reichel, MD, FCCP, Robert W.M. Frater, MD 
CHEST 
Volume 113, Issue 1, Pages (January 1998)
DOI: /chest
Copyright © 1998 The American College of Chest Physicians Terms and Conditions

2. 1
A: poorly preserved glands lined by columnar cells amidst a fibrous stroma from the expectorated tumor mass. B: bronchoscopic biopsy fragments revealing well-differentiated adenocarcinoma. C: section of bronchus from the lobectomy specimen showing infiltrating well-differentiated adenocarcinoma histologically identical to the colonic primary tumor (hematoxylin-eosin, original ×160 [A and B], ×63 [C]).
CHEST  , DOI: ( /chest )
Copyright © 1998 The American College of Chest Physicians Terms and Conditions

3. 2
Sections of colon reveal infiltrating well-differentiated adenocarcinoma adjacent to uninvolved colonic mucosa at the base of the polyp (hematoxylin-eosin, original X63).
CHEST  , DOI: ( /chest )
Copyright © 1998 The American College of Chest Physicians Terms and Conditions