Fig. 2

Illustrative chest CT scans. A Depicts a chest CT scan obtained from a 69 year-old female with DIPNECH. Note the solid and round nodule with smooth and well-defined margins (red arrow), in addition to pronounced mosaic attenuation. B Depicts a chest CT scan obtained from a 69 year-old female with respiratory bronchiolitis. Note the centrilobular, subsolid, hazy and ill-defined micronodules (yellow arrows), in addition to mosaic attenuation