| Abbreviations | Meaning |
 | PA | Pulmonary Arterial [pressure] |
 | ILD | Interstitial Lung Disease |
 | PAVF | Pulmonary Arteriovenous Fistula |
 | PVR | Pulmonary Vascular Resistance |
 | RPA | Right Pulmonary Artery |
 | OPH | Obliterative Pulmonary Hypertension; Ophthalmia |
 | ICOPER | International Cooperative Pulmonary Embolism Registry |
 | VBE | Visualized Bronchus Endoscope |
 | PACWP | Pulmonary Arterial Capillary Wedge Pressure |
 | CNPA | Chronic Necrotizing Pulmonary Aspergillosis |
 | PBAL | Protected Bronchoalveolar Lavage |
 | PAFD | Percutaneous Abscess And Fluid Drainage; Pulmonary Artery Filling Defect |
 | B | Bronchial, Bronchus |
 | HFDL | Human Fetal Diploid Lung |
 | BAE | Bovine Aortic Endothelium; Bronchial Artery Embolization |