Fig. 1From: Progression of fibrosing interstitial lung diseaseComputed tomography imaging of the chest in a patient with progressive unclassifiable interstitial lung disease. Serial apical (a, c, e) and basal (b, d, f) axial images at baseline (a, b); at 36 months (c, d); and at 42 months (e, f). Images show upper lobe predominant pulmonary fibrosis with progressive reticulation, traction bronchiectasis, and honeycombingBack to article page