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.
Low power view of IgG4-related pulmonary disease. Note the tumefactive lesion (arrow) (A), extension along the bronchovascular tree (A) (*) and subpleural involvement (B) (arrowhead). An elastic stain highlights the focus of obliterative phlebitis (C) (arrow). An immunohistochemical stain shows a diffuse increase in IgG4+ plasma cells (D and inset).
