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Progressive massive fibrosis (pneumoconiosis)

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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In PMF round, fibrotic masses, which may be several centimetres in diameter, are present in the lungs. These are usually present in the upper lobes of the lung and may have necrotic central cavities.

It is as yet unclear why some individuals develop PMF whilst others with similar exposure to coal dust do not.


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