Figure 4From: Higher serum CCL17 may be a promising predictor of acute exacerbations in chronic hypersensitivity pneumonitisComparison of CCR4-positive cells in the lungs between AE patients and NAE patients. Comparison of CCR4-positive cells in fibrosing areas (A, p = 0.035) or in lymphoid clusters (B, p = 0.088) in surgical lung biopsy specimens taken from the AE group compared with the same in specimens taken from the NAE group.Back to article page