Expiratory phase CT demonstrates areas of air-trapping.
Large confluent bilateral hilar lymphadenopathy and bilateral mediastinal lymphadenopathy. The bronchi are encased and narrowed. The larger two lymph nodes seen in the paraoesophageal area measuring about 2.8 cm in short axis and the other seen in the right interlobar group measuring about 3.6 cm in short axis as well as average short axis of hilar lymph nodes measuring 2.8 cm. A few right axillary lymph nodes are noted as well, the largest measuring 1 x 1.1 cm.
Marked thickening of the peribronchovascular interstitium and bronchial wall thickening.
Multiple discrete clustered lung nodules in the left lung resembling galaxy sign.
Multiple bilateral lung nodules. Beaded left oblique fissure. The largest nodule in the anterior segment of the upper lobe of each lung measuring about 0.8 x 0.8 cm in the right side and about 1 x 1.2 cm in the left side.