Figure 2.

HRCT sections of a 45-year-old male with severe shortness of breath. The hyperlucent regions show diminished calibre of vessels and mild segmental and subsegmental bronchial dilatation. The patient was diagnosed to have fixed small airway disease. A clinical diagnosis of bronchiolitis obliterans was made in view of history of chemical fume exposure, progressive disease, and lack of response to glucocorticoids