| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Neonatal candidiasis of lung | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Aspiration of foreign body into lung (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| CT guided cryoablation of lesion of lung | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 2 | 
| CT guided cryoablation of lesion of lung | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 3 | 
| Multiple lung cysts | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Necrotising pneumonia caused by Panton-Valentine leukocidin producing Staphylococcus aureus | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Perioperative pulmonary aspiration | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Necrotising pneumonia caused by Panton-Valentine leukocidin producing Staphylococcus aureus | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Radionuclide imaging of lung ventilation using technetium (99m-Tc) technegas | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 1 | 
| Leishmanial pneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Hereditary fibrosing poikiloderma, tendon contractures, myopathy, pulmonary fibrosis syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Syphilis of lung | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary actinomycosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary nocardiosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Congenital pulmonary hypoplasia due to prolonged premature rupture of membranes (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Microcephalus with cardiac defect and lung malsegmentation syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Congenital pulmonary hypoplasia due to lung space occupying lesion (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Congenital secondary pulmonary lymphangiectasis (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Genetic disorder of surfactant dysfunction | Finding site | False | Lung structure | Inferred relationship | Some | 1 | 
| Congenital primary pulmonary lymphangiectasis (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Lung fibrosis, immunodeficiency, 46,XX gonadal dysgenesis syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Lung agenesis with heart defect and thumb anomaly syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Diaphragmatic defect, limb deficiency, skull defect syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Congenital bronchopulmonary foregut malformation | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Sex reversion, kidney, adrenal and lung dysgenesis syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Pneumonia due to parasitic infestation (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumonia caused by Influenza A virus (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Benign carcinoid of lung (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Tropical pulmonary eosinophilia | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Subacute invasive pulmonary aspergillosis (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Adiaspiromycosis due to Emmonsia crescens | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Adiaspiromycosis due to Emmonsia parva | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Cardiopulmonary schistosomiasis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Acute pulmonary coccidioidomycosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Chronic pulmonary coccidioidomycosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Primary pulmonary coccidioidomycosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Allotransplant of heart and lung | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 2 | 
| Heart-lung transplant with recipient cardiectomy-pneumonectomy | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 2 | 
| Transplantation of single lobe of lung (procedure) | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 2 | 
| Congenital pulmonary alveolar capillary dysplasia (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumoconiosis caused by sisal dust (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumoconiosis caused by sisal dust (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Nodule of lung | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Bronchopneumonia due to Streptococcus pneumoniae | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Silver polishers' lung disease | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Flax-dressers' disease | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Global developmental delay, lung cysts, overgrowth, Wilms tumor syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumonitis caused by inhalation of essence (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Acute pneumonia due to coccidioidomycosis | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Particulate matter inhalation injury (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Inhalation injury due to chemical (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Toxic inhalation injury (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Injury to respiratory system due to inhaled substance (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 4 | 
| Pleurobronchopneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Inhalation burn due to hot gas (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 4 | 
| Smoke inhalation injury (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Bronchitis and pneumonitis due to chemical fumes | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Flax-dressers' disease | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Byssinosis grade 3 | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Byssinosis grade 3 | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Calcified granuloma of lung | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Chronic berylliosis | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Perinatal pulmonary hemorrhage (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Diaphragmatic hernia, abnormal face and distal limb anomalies (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Aspiration pneumonitis of fetus | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Acute exacerbation of idiopathic pulmonary fibrosis (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Non-mucinous adenocarcinoma in situ of lung | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Byssinosis | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Acinar cell cystadenocarcinoma of lung | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Normal lung (finding) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Reactive oxygen species 1 negative non-small cell lung cancer (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Anaplastic lymphoma kinase fusion oncogene positive non-small cell lung cancer | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Anaplastic lymphoma kinase fusion oncogene negative non-small cell lung cancer (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Continuous positive airway pressure to nonventilated lung (regime/therapy) | Procedure site | True | Lung structure | Inferred relationship | Some | 1 | 
| Chronic emphysema due to vapour | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Vanishing lung | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Giant bullous emphysema | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Bituminosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Cystic-bullous disease of the lung | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Chronic bullous emphysema | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Bullous emphysema with collapse | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Acute pulmonary edema caused by fume | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Acute pulmonary edema caused by vapor | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Lung function testing normal | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Pneumonitis caused by inhalation of oil | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary toxicity | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumonitis caused by fumes (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumonitis caused by vapors (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Chronic pulmonary fibrosis caused by chemical vapours | Finding site | False | Lung structure | Inferred relationship | Some | 1 | 
| Chemical pneumonitis caused by anesthesia | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumonia due to Bordetella parapertussis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Bronchopneumonia due to virus (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Bullous emphysema with collapse | Finding site | True | Lung structure | Inferred relationship | Some | 5 | 
| Neonatal pneumomediastinum (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Toxic inhalation injury (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Acute berylliosis | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Berylliosis | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Hepatic granulomas in berylliosis | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Toxic inhalation injury (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Pneumonia caused by SARS-CoV-2 | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Single photon emission computed tomography with computed tomography of perfusion of lung (procedure) | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 3 |