第二节特发性弥漫性肺间质纤维化特发性弥漫性肺间质纤维化（idiopathicdiffuseinterstitialfibrosisofthelung）又称Hamman-Rich综合征，是一种弥漫性进行性肺间质纤维化状态，病因尚未明确，可能是各种炎症未控制的结果。
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