Fig. 2

Radiological manifestations of IgG4-related lung disease on chest computed tomography. a A mass with a spiculated margin and pleural indentation can be observed in the right lung. b Thickening of the bronchovascular bundles and bronchiectasis are noted. c Diffuse ground-glass opacities can be observed in the right lung. d Round-shaped ground-glass opacities can be observed in the right lung. e Alveolar consolidation and thickening of the interlobular septa can be observed in the left lung