Correct!
5. High-resolution chest CT shows features of airflow obstruction

Repeat high-resolution chest CT shows bilateral inspiratory inhomogeneous lung attenuation with accentuation of this pattern on post-expiratory imaging, suggesting gas trapping. Central airway thickening is present and may have become more conspicuous compared to the study nearly 3 months earlier (Figures 6 and 7). No nodules or lymphadenopathy are evident, and there is no evidence of ground-glass opacity.

Based on available information this far, which of the following is the best working diagnosis? (click on the correct answer to be directed to the twelth and final page)

  1. Opportunistic infection
  2. Lymphocytic interstitial pneumonia
  3. Bronchiolitis obliterans
  4. Medication – induced organizing pneumonia
  5. Increased pressure edema

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