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A) Section of lung tissue obtained at autopsy demonstrating destruction of lung parenchyma with an abscess (above dotted black line) adjacent to an area with preserved alveolar structures and intra-alveolar neutrophils (black arrows) (hematoxylin & eosin, original magnification x 200). B, Close-up of alveoli lined with fibrinous, eosinophilic material (green arrow) consistent with hyaline membranes (hematoxylin & eosin, original magnification x 400).
