Correct!
4. Thoracic CTA shows progression of the anterior segment right upper lobe localized nodular opacities seen on the prior thoracic CTA 17 months previously

Thoracic CTA shows no evidence of pulmonary embolism. No recurrence of the bilateral lower lobe pneumonia or nodules is seen, but the nodular opacities within the central anterior segment of the right upper lobe on the study about 17 months earlier (Figure 9) have progressed substantially. No miliary nodules are seen and no pleural disease is present. No other areas of consolidation are evident.

The patient was presumed to have community-acquired bronchopneumonia and was started on levofloxacin. Chest radiography (Figure 12) was repeated after about 1.5 months, after which the patient said he felt “back to his baseline.”

Figure 12. Frontal and lateral chest radiography performed about 1.5 months following Figures 10 and 11.

Which of the following represents the most accurate assessment of the chest radiographic findings? (Click on the correct answer to proceed to the twelfth of nineteen pages)

  1. Frontal and lateral chest radiography shows new cavitary lung disease
  2. Frontal and lateral chest radiography shows no change in the right upper lobe opacity
  3. Frontal and lateral chest radiography shows no interval change from the most recent chest radiograph (Figure 10)
  4. Frontal and lateral chest radiography shows progression in the right upper lobe opacity
  5. Frontal and lateral chest radiography shows recurrent bilateral lower lobe pneumonia superimposed on the pre-existing right upper lobe opacity

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