Interstitial Lung Disease (ILD) Interstitial Lung Disease (ILD) is a group of many lung conditions. All interstitial lung disease affect the interstitium, a part of your lungs. The interstitium is a lace-like network of tissue that goes throughout both lungs It supports your lungs tiny air sacs, called alveoli. Normally, the interstitium is so thin that it doesn’t show up on X-rays or CT scans. Interstitial (in-tur-STISH-ul) lung disease describes a large group of disorders, most of which cause progressive scarring of lung tissue. The scarring associated with interstitial lung disease eventually affects your ability to breathe and get enough oxygen into your bloodstream. Interstitial lung disease (ILD), sometimes also called as diffused parenchymal diseases, Diffuse parenchymal lung disease; Alveolitis; Idiopathic pulmonary pneumonitis (IPP) describes a heterogeneous collection of distinctive lung disorders classified on the grounds of shared clinic...