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A 64-year-old woman with subacute onset interstitial lung disease associated with polymyositis. At the time of initial diagnosis (a,b), there was bilateral consolidation to ground-glass opacification with lower and peribronchovascular predominance. Then, 13 years later (c,d), the lesion became less extensive, and the lesion had changed into reticulation with traction bronchiectasis. Decreased lung volume of the lower lobes was visible.
