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Figure 2. 63-year-old woman with secondary Sjögren's syndrome (polymyositis/dermatomyositis). (a) Chest radiograph shows bilateral linear and reticular opacities and ground-glass opacity predominantly in both lower lung fields. (b) Thin-section CT scan obtained at lung base. Intralobular interstitial thickening, ground-glass opacity, honeycombing and traction bronchiectasis are demonstrated. This case was classified as IP pattern. Pathological diagnosis of usual interstitial pneumonia was obtained.
