Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Panoramic view showing unaffected areas alternating with fibrous and cystic changes, which characterize the UIP histological pattern (A, ×40); collapsed area with alveolar collapse and interstitial mononuclear infiltrates (B, ×100); mural fibrosis area with septal fibromyxoid tissue and fibroblastic foci (C, ×100); and honeycombing area with irregular cystic air spaces between bands of fibrous connective tissue (D, ×100). Hematoxylin and eosin staining.
