Fig. 3From: Transbronchial cryobiopsy in unexplained, severe ARDS: a single center retrospective case seriesCOVID-ARDS (A: 70x, B: 100 x, C&D: 120x). a, b Fibrotic lung parenchyma with mucous metaplasia, chronic interstitial inflammation and centered myofibroblastic proliferations. c Fibrotic parenchyma with intraalveolar edema. d Fibrotic parenchyma with chronic interstitial inflammation and accumulated macrophagesBack to article page