PMC4356045_01
Chest radiograph - increased lucency (arrow) in left upper zone, with increased interstitial markings in left lower zone.
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A repeat chest radiograph at this juncture (Fig. 1) revealed increased lucency in the upper half of the left hemithorax.
CT chest - large bullae in both left upper and lower lobes, with co-existing bronchiectasis (thin arrow) and cysts (bold arrow).
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This was followed by a chest computed tomography (CT) scan that revealed bronchiectatic changes in the left lower lobe with a few small cysts and several bullae occupying almost the entire left hemithorax (Fig. 2).
Malacia of apico-posterior segment of left upper division (thin arrow) (left); left lower lobe bronchopulmonary segments mildly dilated (right).
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Malacia was seen in the apico-posterior segment of the left upper division, and the left lower lobe bronchopulmonary segments appeared mildly dilated (Fig. 3).