disease has location lung disease interstitial lung disease A diverse group of lung diseases that affect the lung parenchyma. They are characterized by an initial inflammation of pulmonary alveoli that extends to the interstitium and beyond leading to diffuse pulmonary fibrosis. Interstitial lung diseases are classified by their etiology (known or unknown causes), and radiological-pathological features. COHD:4119786 DOID:3082 EFO:0004244 GARD:0013336 ICD10:J84.9 ILD MESH:D017563 MONDO:0015925 MedDRA:10022611 Orphanet:182095 SCTID:233703007 UMLS:C0206062 interstitial lung disease lung parenchyma