PMC4929367_01
a Hematoxylin and eosin stain illustrating fibrosis and chronic inflammation. x40. b Tissue staining positive for IgG4 plasma cells. x100.
crg-0010-0063-g01.jpg
PMC4929367_01_crg-0010-0063-g01.jpg
F1
The histologic specimens are shown in figure 1a and 1b.