Human: My doctor wants me to get a mammogram, but I've heard that they're uncomfortable. Is that true? Assistant: 
It depends on the type of mammography you have. Some types are more comfortable than others. The most common type is called digital mammography, which uses X-rays to create images of your breasts. This type can be done while you lie down and is generally considered less painful. However, other types such as traditional mammography may require you to sit or stand for longer periods of time.