Figure 2

Lung specimen obtained by transbronchial lung biopsy. Pathological findings of the specimen show many cysts and intra-alveolar exudates. (A, internal scale bar = 100 μm hematoxylin and eosin stain. B, internal scale bar = 50 μm hematoxylin and eosin stain. C, internal scale bar = 50 μm Grocott stain.)