Fig. 10. Progression of fibrotic lung disease over 5 years.
A. Subpleural fibrotic interstitial lung abnormality (TBI = 2, UIP score 3, probable UIP). B. Subpleural fibrotic interstitial lung disease (TBI = 3, UIP score 4, typical UIP). TBI = traction bronchiectasis index, UIP = usual interstitial pneumonia