Fig. 3From: Pneumonia caused by Pseudomonas fluorescens: a case reportPathological histology of the biopsy lung tissue. A Haematoxylin–eosin staining of lung tissue pathological features showed acute and chronic inflammation, the proliferation of alveolar cells and fibrous tissue, and the existence of multinucleated giant cells. B Silver staining of the tissue showed round foreign bodies in foam cells (original magnification, × 400)Back to article page