Correct!
2. Frontal and lateral chest radiography bilateral linear and reticular abnormalities

Frontal and lateral chest radiography at presentation is arguably normal. However, with the benefit of prior chest radiography for comparison, a slight increase in basal, peripheral reticulation and linear opacity, with a slightly coarser and more prominent appearance to the interstitium, is appreciable. The changes are subtle, and occasionally changes in technology, such as installation of a new chest radiography unit or introduction of new imaging post-processing algorithms, can account for such changes. Nevertheless, the slight change may be of importance in a patient with worsening respiratory symptoms. The hilar contours and lung volumes appear normal. No pleural abnormalities are evident. The patient’s past medical history was significant for rheumatoid arthritis. She was a lifelong non-smoker. Physical examination revealed slightly decreased bibasilar breath sounds on auscultation.

Which of the following would be most useful for the evaluation of this patient? (Click on the correct answer to proceed to the second of seven panels)

  1. Repeat frontal chest radiography
  2. Ventilation - perfusion scintigraphy
  3. Flexible fiberoptic bronchoscopy
  4. Pulmonary function testing
  5. Right heart catheterization

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