Fig. 4

Dog. A Lung and heart. Diffuse and severe pulmonary consolidation (chronic broncho-pneumonia) and hypertrophic cardiomyopathy with focal epicardial petechiae. B Lung, pneumocyte hyperplasia/metaplasia (black arrow) and lymphoplasmacytic interstitial pneumonia, Haematoxylin and eosin (H-e), 20x, (scale bar = 50 μm). C Lung, severe and diffuse interstitial fibrosis (blue areas), Masson’s Trichrome staining, 2.5x, (scale bar = 200 μm). D Lung, moderate hyperplasia of the smooth muscle cells, H-e, 20x, (scale bar = 50 μm)