Fig. 2From: Small airways morphological alterations associated with functional impairment in lymphangioleiomyomatosisRepresentative photomicrographs of small airways in the control group (A, C, E) and patients with LAM (B, D, F). A and B: Epithelial expression of TGF-β; C and D: Collagen content at Sirius Red staining. E and F: Smooth muscle content in SMA immunostaining.Back to article page