Swallow the camera to view the inside of your gut.
You swallow this capsule sized wireless camera and for 10 hrs it will record and transmit data to a recorder you wear on your belt out side. Usually after 10 hrs it is eliminated in stool and you take the recorder to your doctor for analysis. Hurrai, it shows warn you any alarming signs of diverticulosis, precancerous or other cancers.
Easy, No anaesthesia, no sedation and no tubes through up or down.
For further details search Google for "PilCam COLON2"