disorder disorder of anatomical entity respiratory system disorder http://purl.bioontology.org/ontology/MEDDRA/10038719 http://purl.obolibrary.org/obo/NCIT_C26871 A non-neoplastic or neoplastic disorder that affects the respiratory system. Representative examples include pneumonia, chronic obstructive pulmonary disease, pulmonary failure, lung adenoma, lung carcinoma, and tracheal carcinoma. disorder of respiratory system respiratory disorder respiratory disorder NEC respiratory disorder, unspecified respiratory system disorders