PMC4075797_01
Chest CT scan showing a left perihilar mass.
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A CT scan of the chest revealed a left perihilar mass of 68 x 52 mm in diameter (Figure 1) in the lower lobe, as well as mediastinal lymph node enlargement in the anterior paratracheal and left hilar regions.
From left to right, chest CT scans of the lesion at 1, 2, and 3 years of
follow-up. Note an increase in the size of the calcified area within the
treated lesion.
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After the radiation therapy, the patient reported for follow-up evaluation every 3-4 months, a chest CT scan showing an approximately 25% decrease in mass size (55 x 45 mm) in comparison with that seen on the chest CT scan taken at the beginning of the treatment (Figure 2).