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- marked honeycombing bilaterally with traction bronchiectasis and lung volume loss
- reticular abnormalities bilaterally
- subpleural distribution with basal predominance
No feature very inconsistent with UIP pattern such as:
- ground-glass opacity outside areas of fibrosis
- mosaic perfusion/air trapping
- centrilobular nodules
- perilymphatic nodules
- subpleural sparing
- peribronchovascular predominance