<human>: My doctor wants to perform a CAT scan on me. What is the procedure like?
<bot>: The procedure for a CAT scan is fairly simple. You will be asked to lie down on a table and a technician will insert a thin tube into your mouth, down your throat, and into your stomach. The tube will then be slowly moved up and down as the technician takes X-rays of your body. This process can take anywhere from 10 minutes to an hour depending on the size of your body and the number of images needed. After the scan is complete, you will be able to go home.