
Gross pathology of lung showing centrilobular emphysema characteristic of smoking. Closeup of fixed, cut surface shows multiple cavities lined by heavy black carbon deposits.
Author: Dr. Edwin P. Ewing, Jr.
Original file: http://commons.wikimedia.org/wiki/File:Centrilobular_emphysema_865_lores.jpg
Modifications: square crop
License: This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
If you believe your copyright has been infringed, please write to license@radiopaedia.org giving details of why you believe this is so.