Emphysema
Emphysema

Section of lung which has been fixed by formalin inflation.
(U)pper and (L)ower lobes are identified.
White arrows point to a few of many dilated airspaces most of which are located in the upper portions of both lobes.
The posterior lower portion of the lower lobe shows intense reddish congestion (black arrow).
(Description By:Melinda Sanders, M.D. )
(Image Contrib. by: UCHC )