The area of the body located between the neck and the abdomen: TThe chest contains the lungs, the heart, and part of the aorta.

The walls of the chest are supported by the dorsal vertebrae, the ribs, and the sternum.

A projection radiograph of the chest: Chest X-rays are commonly used to detect abnormalities in the lungs, but it can also detect abnormalities in the heart, aorta, and the bones of the thoracic area.