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Medical Term:

idiopathic pulmonary fibrosis


Definition: an acute to chronic inflammatory process or interstitial fibrosis of the lung of unknown etiology. seen in association with collagen-vascular diseases.

Synonym(s): chronic fibrosing alveolitis, cryptogenic fibrosing alveolitis, fibrosing alveolitis, Hamman-Rich syndrome, idiopathic interstitial fibrosis