Also known as: Chest PET scan, Lung nuclear medicine scan, Lung
positron emission tomography, PET - chest, PET - lung or PET -
tumor imaging - To diagnose lung cancer - To see if lung cancer
has spread to other areas of the body. This is called staging.
Staging helps guide future treatment and follow-up and gives you
some idea of what to expect in the future. - To determine
whether a growth in the lungs seen on a CT scan is cancerous or
noncancerous. - To determine how well you're responding to
cancer treatment. A lung positron emission tomography (PET) scan
is an imaging test that uses a radioactive substance (called a
tracer) to look for disease in the lungs, especially lung
cancer. How the test is performed The health care provider will
inject a small amount of a radioactive material into one of your
veins, usually on the inside of the elbow. The substance travels
through the blood and collects in the tissues of the lungs. You
will be asked to wait nearby as the radioactive substance is
absorbed by your bo