Correct!
5. The unenhanced thoracic CT shows worsening of the previously noted ground-glass opacity
Repeat thoracic CT shows interval worsening of the previously noted multifocal ground-glass opacities, particularly focal in the right upper lobe. In some areas faint centrilobular nodules are present. No new cavitary lung nodules are clear interlobular septal thickening is seen.
Repeat PR3-ANCA and MPO-ANCA antibodies were negative.
Which of the following represents the next most appropriate step for the evaluation of this patient? (Click on the correct answer to proceed to the ninth and final page)