| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Chronic coccidioidomycotic pneumonia (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Pulmonary filariasis (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary blastomycosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Primary pulmonary blastomycosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary mucormycosis | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Allergic bronchopulmonary aspergillosis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Aspergilloma | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Fungal infection of lung | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumonia due to Histoplasma | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Pneumonia due to Schistosoma haematobium | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Acute pulmonary African histoplasmosis (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Capillaria aerophila chest infection | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Pulmonary paracoccidioidomycosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Chronic necrotizing pulmonary aspergillosis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Acute pulmonary blastomycosis (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary aspergillosis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Pulmonary cryptococcosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Allergic bronchopulmonary mycosis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Pulmonary blastomycosis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Primary pulmonary blastomycosis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Invasive pulmonary aspergillosis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Pulmonary African histoplasmosis | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Aspergilloma | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Chronic pulmonary African histoplasmosis | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Pulmonary sporotrichosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary paracoccidioidomycosis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Video assisted thoracoscopy for major lung resection (procedure) | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 5 | 
| Pneumonia due to Ascaris | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Allergic bronchopulmonary aspergillosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Invasive pulmonary aspergillosis | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Pneumonia due to Bordetella parapertussis | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Specimen from lung obtained by needle biopsy (specimen) | Specimen source topography | True | Lung structure | Inferred relationship | Some | 1 | 
| Specimen from lung obtained by aspiration (specimen) | Specimen source topography | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary disease due to Mycobacteria | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Pneumonia in pertussis | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Pulmonary nematodiasis | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Pneumonia caused by Human coronavirus | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Drug induced pulmonary fibrosis (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Recurrent bacterial pneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Recurrent bacterial pneumonia co-occurrent with human immunodeficiency virus infection | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Bacterial pneumonia co-occurrent with human immunodeficiency virus infection (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Adenoviral bronchopneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Pulmonary dirofilariasis | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Adiaspiromycosis due to Emmonsia parva | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Aspiration pneumonitis of fetus | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Haemorrhagic pulmonary oedema | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Haemorrhagic pulmonary oedema | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Growth delay with hydrocephalus and lung hypoplasia syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Percutaneous irreversible electroporation ablation of neoplasm of lung using computed tomography guidance (procedure) | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 2 | 
| Percutaneous irreversible electroporation ablation of neoplasm of lung using computed tomography guidance (procedure) | Procedure site - Direct (attribute) | True | Lung structure | Inferred relationship | Some | 3 | 
| Secondary pulmonary hemosiderosis (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Nodular lymphoid hyperplasia of lung (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Primary pulmonary lymphoma (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| maladie pulmonaire rhumatoïde avec polyarthrite rhumatoïde | Finding site | False | Lung structure | Inferred relationship | Some | 4 | 
| Cryptogenic organizing pneumonia (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 4 | 
| Microcephalus with cardiac defect and lung malsegmentation syndrome (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 4 | 
| Diaphragmatic defect, limb deficiency, skull defect syndrome (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 7 | 
| Lung agenesis with heart defect and thumb anomaly syndrome (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Lung fibrosis, immunodeficiency, 46,XX gonadal dysgenesis syndrome (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 3 | 
| Infection of lung caused by Pneumocystis (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Reactive oxygen species 1 positive non-small cell lung cancer (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Matthew Wood syndrome | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Puncture aspiration of lung using computed tomography guidance | Procedure site - Direct (attribute) | False | Lung structure | Inferred relationship | Some | 2 | 
| Primary malignant neuroendocrine neoplasm of lung (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Congenital pulmonary hypoplasia due to prolonged premature rupture of membranes (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Congenital pulmonary hypoplasia due to lung space occupying lesion (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 2 | 
| Idiopathic pneumonia syndrome (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Pneumonitis due to Herpes zoster (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Squamous non-small cell lung cancer (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Chronic pulmonary histoplasmosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pulmonary histoplasmosis | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Radiologic infiltrate of lung (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Sex reversion, kidney, adrenal and lung dysgenesis syndrome (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 4 | 
| Pulmonary fibrosis, hepatic hyperplasia, bone marrow hypoplasia syndrome | Finding site | True | Lung structure | Inferred relationship | Some | 5 | 
| Neonatal pneumomediastinum (disorder) | Finding site | False | Lung structure | Inferred relationship | Some | 4 | 
| Anthracosilicosis | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Siderosilicosis | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Pneumonopathy due to inhalation of dust | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Chronic silicosis | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Silicotuberculosis | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Pneumonia caused by Chlamydia pneumoniae (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Idiopathic eosinophilic pneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Idiopathic acute eosinophilic pneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Idiopathic acute eosinophilic pneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Idiopathic chronic eosinophilic pneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Idiopathic chronic eosinophilic pneumonia | Finding site | True | Lung structure | Inferred relationship | Some | 4 | 
| Pneumonia caused by Gram positive bacteria | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Acute lung injury during and following administration of blood product (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Chronic pulmonary aspergillosis | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Acquired neonatal pulmonary cysts | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Pneumonia due to influenza | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Puncture aspiration of lung using computed tomography guidance | Procedure site - Direct (attribute) | False | Lung structure | Inferred relationship | Some | 1 | 
| Puncture aspiration of lung using computed tomography guidance | Procedure site - Direct (attribute) | False | Lung structure | Inferred relationship | Some | 4 | 
| Multilobar lung infiltrate (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Single lobe lung infiltrate (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 3 | 
| Perinatal hemorrhage of lung due to traumatic injury (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Pneumonitis due to aspiration of blood (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 2 | 
| Infection of lung caused by Echinococcus (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Corrosion of larynx, trachea and lung (disorder) | Finding site | True | Lung structure | Inferred relationship | Some | 5 | 
| Congenital hyperplasia of lung | Finding site | True | Lung structure | Inferred relationship | Some | 1 | 
| Neonatal candidiasis of lung | Finding site | True | Lung structure | Inferred relationship | Some | 2 |