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TB Progression Score 5.
(a) TBI = 3. CT image demonstrated ground-glass and reticular opacities with sub-pleural and basal predominance associated with severe traction bronchiectasis and architectural distortion.
(b) TBI = 3. Follow-up CT image demonstrated further progression of fibrotic lung disease with severe traction bronchiectasis and honeycombing.
TBI, traction bronchiectasis/bronchiolectasis index
