Coloured axial computed tomography (CT) scan through the abdomen of a 43 year old obese female patient after bariatric treatment. An intragastric balloon (dark blue circle, upper centre) is positioned in the bottom of the gastric pouch (top of the stomach). This treatment is used to fill the stomach to make you feel fuller and eat less. Air is also seen in the upper part of the stomach (black area to right of balloon).