Respiratory bronchiol-associated interstitial lung disease

Interstitial lung disease (ILD) is based on diffuse pulmonary parenchyma, alveolar inflammation, and interstitial fibrosis as basic pathological changes, with active dyspnea, diffuse infiltration shadows on chest radiographs, restrictive ventilation disorder, and diffuse (DLCO Reduced function and hypoxemia are the general term for clinical-pathological entities composed of different disease groups with clinical manifestations. Respiratory bronchiole-related interstitial lung disease is a different clinical syndrome that occurs in recent or past smokers.