Figure 5From: Higher serum CCL17 may be a promising predictor of acute exacerbations in chronic hypersensitivity pneumonitisRepresentative picture of autopsy lung specimen form AE patient. The images of the autopsy lung from the same patient as Figure 2. A: Low-power microscopic view, haematoxylin-eosin stain. Magnification, 1×. Bar = 2000 μm. B, C and D: Immunohistochemistry (IHC) of CCL17 and CCR4. B, fibrosing areas, 200×; C, fibroblastic foci, 200×; and D, lymphoid clusters, 200×. For IHC, red represents CCL17 staining and brown represents CCR4 staining.Back to article page