Answers: Give a descriptive diagnosis of the features in the photo. Cellular, organizing interstitial pneumonia with widened alveolar walls, interstitial chronic inflammatory cells, type II cell hyperplasia, and increased numbers of alveolar macrophages. Granulation tissue in interstitium and alveoli.
Are the changes reversible? The changes are potentially reversible because dense fibrosis is not present.
What is the tissue marked by the asterisks? Granulation tissue
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