Idiopathic pulmonary fibrosis

![New classification of IIPs.[7]](/uploads/202501/19/Diffuse_Parenchymal_Lung_Diseases4058.jpg)


Idiopathic pulmonary fibrosis (IPF) is a chronic and ultimately fatal disease characterized by a progressive decline in lung function. The term pulmonary fibrosis means scarring of lung tissue and is the cause of worsening dyspnea (shortness of breath). Fibrosis is usually associated with a poor prognosis.