Types of lung involvement in connective tissue diseases
| Primary manifestations |
| Pleural involvement |
| Pleurisy, effusion/thickening |
| Airway disease |
| Cricoarytenoid and tracheal involvement |
| Bronchiectasis, bronchiolitis |
| Vascular involvement |
| Pulmonary hypertension |
| Vasculitis |
| Parenchymal lung disease |
| Interstitial lung disease |
| Diffuse alveolar haemorrhage |
| Acute pneumonitis |
| Rheumatoid nodules |
| Secondary manifestations |
| Infection |
| Drug toxicity |
| Malignancy |
| Thromboembolism |