这个词是什么意思？
A group of interstitial lung diseases with no known etiology. There are several entities with varying patterns of inflammation and fibrosis. They are classified by their distinct clinical-radiological-pathological features and prognosis. They include IDIOPATHIC PULMONARY FIBROSIS; CRYPTOGENIC ORGANIZING PNEUMONIA; and others.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D054988 · MeSH 2026。
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