Bronchioloalveolar carcinoma (Med Power)
Bronchioloalveolar carcinoma (Med Power)

The blue arrows point to neoplastic columnar cells with hyperchromatic nuclei.
The yellow arrow point to a small arteriole.
The neoplastic cells line preexisting alveolar septae; unfortunately the alveoli are crushed by tissue handling.
(Description By:Melinda Sanders, M.D. )
(Image Contrib. by: UCHC )