Complete lung collapse associated with sarcoidosis is exceedingly rare. Although lymphoma should be ruled out when patients with mediastinal lymphadenopathy develop lung collapse, sarcoidosis should be considered in the differential, especially when associated with fibrosing mediastinitis.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7946853PMC
http://dx.doi.org/10.1002/rcr2.739DOI Listing

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