respiratory system disease lung disease NCI:C3198 A lower respiratory tract disease in which the function of the lungs is adversely affected by narrowing or blockage of the airways resulting in poor air flow, a loss of elasticity in the lungs that produces a decrease in the total volume of air that the lungs are able to hold, and clotting, scarring, or inflammation of the blood vessels that affect the ability of the lungs to take up oxygen and to release carbon dioxide. DOID:29 SNOMEDCT_US_2023_03_01:266374002 disease_ontology DOID:766 ICD10CM:J98.4 DOID:850 UMLS_CUI:C0024115 DOID:11894 DOID:11895 MESH:D008171 Updating out dated CUI and removing lung abscess as a synonym.