Correct!
5. All of the above
The appearance of ground-glass opacity at thoracic CT is fairly non-specific, and any of the listed entities could produce the findings seen at CT. Often the differential diagnostic considerations for multifocal ground-glass opacity can be narrowed considerably when integrated with other findings at CT as well as certain clinical and laboratory data, but in the absence of such, the considerations for the thoracic CT findings is quite broad.
Which of the following represents the most appropriate next step for the management of this patient? (Click on the correct answer to proceed to the fourth of nine pages)