lower respiratory tract disease lung disease 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:11894 DOID:11895 DOID:29 DOID:766 DOID:850 ICD10CM:J98.4 MESH:D008171 NCI:C3198 SNOMEDCT_US_2016_03_01:196164004 SNOMEDCT_US_2016_03_01:19829001 SNOMEDCT_US_2016_03_01:266374002 UMLS_CUI:C0024115 Updating out dated CUI and removing lung abscess as a synonym. disease_ontology