| Abbreviations | Meaning |
 | FFB | Fat-free Body; Flexible Fiberoptic Bronchoscopy |
 | CLD | Chronic Lung Disease |
 | LCTA | Lungs Clear To Auscultation |
 | RIPV | Right Inferior Pulmonary Vein |
 | PDLC | Poorly Differentiated Lung Cancer |
 | BE | Bronchoesophagology |
 | BB | Bronchial Blocker [tube] |
 | TPR | Total Pulmonary Resistance |
 | QP:QS | Pulmonary-to-systemic Flow Ratio; Pulmonic-to-systemic Flow Ratio |
 | PHT | Peak Height Of Tension; Phenytoin; Portal Hypertension; Pressure Half-time; Primary Hyperthyroidism; Pulmonary Hypertension |
 | BAL | Bio-artificial Liver; Blood Alcohol Level; British Anti-lewisite; Bronchoalveolar Lavage |
 | PBS | Pulmonary Branch Stenosis |
 | TB | Tracheal Bronchiolar [region] |
 | PTP | Transpulmonary Pressure |
 | ABPE | Acute Bovine Pulmonary Edema |