How is SLE pleuropulmonary clinical manifestation?

Pleuritic chest pain common, pleural effusion exudate uni or bilateral, acute pneumonia uncommon with high MR, ILD, bronchiolitis obliterans with organising pneumonia required biopsy to dx and respnds to corticosteroids, capillaritis or diffuse alveolar hemorrhage rare due to APS, poor prognosis. Shrinking-lung syndrome, possible cause is diaphragmatic weakness in longstanding SLE, PE or infarct, Pulmonary HTN, infection, malignancy.