Fig. 4From: Soluble intercellular adhesion molecule-1 for stable and acute phases of idiopathic pulmonary fibrosisImmunohistochemical staining for ICAM-1 in the lung tissue. Contrast nuclear staining with hematoxylin was used. Stable IPF (a), AEx IPF (b), CTD-associated IP (c), COPD (d), normal lung (e). Original magnifications, ×10Back to article page