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HardRespiratoryLupus‑related interstitial lung diseaseau-amcau-racp

A 58‑year‑old woman with a long history of systemic lupus erythematosus presents with painless progressive shortness of breath and non‑productive cough. HRCT chest shows diffuse ground‑glass opacities and interstitial changes. Pulmonary function tests show restrictive defect and reduced DLCO. What is the most likely diagnosis?

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