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from Brown Corpus
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The lungs weighed together 950 gm..
On the surfaces of both lungs there were emphysematous blebs measuring up to 3 cm. in diameter.
The parenchyma was slightly hyperemic in the apex of the left lung, and there were several firm, gray, fibrocalcific nodules measuring as large as 3 mm..
Microscopically, there was emphysema, fibrosis, and vascular congestion.
Macrophages laden with brown pigment were seen in some of the alveoli, and the intima of some of the small arteries was thickened by fibrous tissue.

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