The same imaging technique can help doctors find cancer, tell how far a cancer has spread, guide treatments, or find out if a treatment is working. Here is some information about the individual uses of imaging.
Mammograms are an example of a familiar imaging tool used to screen for breast cancer.
For instance, ultrasound, MRI, or CT scans can be used to pinpoint exact tumor locations so that laser therapy can be focused on the tumor and less surrounding tissue is damaged.