Correct!
2. Chest x-ray
None of the answers are totally inappropriate. Establishing a tissue diagnosis will help guide therapy. Whole-brain radiation would be appropriate if the patient was having uncontrolled seizures or other neurologic complications from the metastases. Of the possibilities for a primary source of her cancer, lung cancer seems likely based on her pulmonary symptoms. A chest x-ray was performed (Figure 2).
Figure 2. Chest radiograph.
Which of the following should be done next? (Click on the correct answer to proceed to the fourth of six panels)