这个词是什么意思？
An accumulation of air or gas in the PLEURAL CAVITY, which may occur spontaneously or as a result of trauma or a pathological process. The gas may also be introduced deliberately during PNEUMOTHORAX, ARTIFICIAL.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D011030 · MeSH 2026。
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