PMC4501519_01
Chest CT scan. A- Chest CT scan showes mixed ground-glass and lobar consolidation involving the right superior lobe, with associated air bronchogram and thickened interlobular septa. B- Chest CT scan showes ground glass with crazy paving appearance in the inferior right lobe and consolidation of superior right lobe, with air bronchogram.
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Dark brown pigment was observed in some of the tumor cells (Fig. 1).