Screening is a way to evaluate people without symptoms to determine if they are at risk for cancer or have already developed cancer.
—This is a type of x-ray that uses a computer to produce cross-sectional images of the inside of the body.
—This test uses magnetic waves to produce images of the inside of the body. Using a large magnet, radio waves, and a computer, an MRI produces 2D and 3D pictures.
Ultrasound—This test uses sound waves to produce images of the inside of the body.