Figure 2

Immunohistochemical stains for IgG4 in ulcerative colitis (a), Crohn’s disease (b), autoimmune pancreatitis-related ulcerative colitis (c), and collagenous colitis (d).
Immunohistochemical stains for IgG4 in ulcerative colitis (a), Crohn’s disease (b), autoimmune pancreatitis-related ulcerative colitis (c), and collagenous colitis (d).