Figure 3. Lung biopsy: the pulmonary parenchyma is homogeneously affected. Interalveolar septa are thickened by an inflammatory infiltrate and only slight fibrosis (haematoxylin and eosin, magnificationx43).
Figure 3. Lung biopsy: the pulmonary parenchyma is homogeneously affected. Interalveolar septa are thickened by an inflammatory infiltrate and only slight fibrosis (haematoxylin and eosin, magnificationx43).