| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Lung and pleura, CS | Is a | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Lung and tracheobronchial lymph nodes, CS | Is a | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Structure of olfactory region of nose | Is a | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Nasal septum structure | Is a | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Respiratory tract structure | Is a | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| larynx, trakea, bronker och lungor, kombinerad lokalisation, som helhet | Is a | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Other respiratory tract | Is a | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Apnea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Trepopnea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Shallow breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Cough suppression | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| brösthosta | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Dyspnoea at rest | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Burn of larynx, trachea and lung | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 2 | 
| Corrosion of larynx, trachea and lung (disorder) | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 3 | 
| Burn of the larynx, trachea or lung NOS | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 2 | 
| Hyperpnoea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Excessively deep breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Carcinoma in situ of respiratory system | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| Respiratory rate AND/OR rhythm finding | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence at home | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence in residential institution | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence at school, other institution and public administrative area | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence at sports and athletics area | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence on street and highway | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence at trade and service area | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence at industrial and construction area | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence on farm | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence at other specified place | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| [X]Inhalation and ingestion of other objects causing obstruction of respiratory tract, occurrence at unspecified place | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| Overlapping malignant neoplasm of mediastinum and pleura | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Overlapping malignant neoplasm of heart, mediastinum and pleura | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Pain of nose | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Unable to cough up sputum | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Able to cough up sputum | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Bubbling respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Crushing injury of larynx | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 2 | 
| Difficulty breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Mixed sleep apnoea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Alveolar sleep apnea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Sleep-related respiratory failure | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Respiratory failure without hypercapnia | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Toxic inhalation-induced febrile illness | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Pulmonary mycotoxicosis | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Neoplasm of lower respiratory tract and mediastinum (disorder) | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Grunting baby | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Spontaneous respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Postural cough | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Postanesthesia apnea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Expectoration of currant jelly sputum | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Ease of respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Nocturnal dyspnea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Labored breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Cannot breathe deeply enough | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Cannot blow | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Winded | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Pursed-lip breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Adopts particular posture for breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Noisy respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Croupy breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Groaning respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Hissing respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Rattling breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Sobbing respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Whistling respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Whistling in nose | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Rapid shallow breathing (finding) | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Rhythm of respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Stops breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Catching breath | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Irregular breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Depth of respiration varies | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Depth of breathing uneven (finding) | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Clearing throat - hawking | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Unable to cough | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Character of cough | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Cough when swallowing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Tracheal esophageal fistula cough | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Yawning | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Hanging columella | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Expired oxygen concentration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Mixed expired oxygen concentration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| End tidal oxygen concentration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Minute volume (observable entity) | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Total minute volume | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Spontaneous minute volume | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Triggered minute volume | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Mandatory minute volume | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Total dynamic compliance | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Benign mediastinal teratoma | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Foreign body in respiratory tract | Finding site | False | Respiratory system subdivision | Inferred relationship | Some | 1 | 
| Dyspnea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Ventilatory defect | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Stertorous breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Death rattle | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Method of breathing | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Depth of respiration | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Tachypnea | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Respiration intermittent | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  | 
| Respiratory distress | Finding site | False | Respiratory system subdivision | Inferred relationship | Some |  |