Medical Definition of interstitial pneumonia
: any of several chronic lung diseases of unknown etiology that affect interstitial tissues of the lung without filling of the alveolae and that may follow damage to the alveolar walls or involve interstitial histological changes
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“Interstitial pneumonia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/interstitial%20pneumonia. Accessed 19 Oct. 2021.
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