Gross autopsy findings: The lungs (right 920 g, left 790 g, normal 250 g apiece) were diffusely consolidated.

The left upper lobe has a grey focus (7 x 4 x 3.5 cm) with multiple cavities. Most of the rest of the upper lobe and the superior segment of the lower lobe are slightly paler and more consolidated than the remainder of the lower lobe, which is still firmer than normal.

The cavities contain some thick fluid. The absence of a fibrous wall indicates a necrotizing pneumonia rather than an abscess. Although the remainder of the lung is firm, airways and vessels are patent. Each scale mark represents one centimeter.

Clinical summary Image 2

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