This disease may be suspected on the basis of medical history and findings on a physical examination.
It is confirmed with a chest x-ray, which shows the interior of the chest cavity, and a CT scan—a series of images of the inside of the body, taken from different angles and depths, to reveal a high level of detail.
To ensure that the blood vessels and organs show up clearly in these scans, the dye may be swallowed or injected into a vein during the performance of the sca
Certain blood tests may also be useful in determining the cause and severity of this disease.