CHICAGO – Three-dimensional computed tomography (CT) colonography, also known as virtual colonoscopy, is more sensitive and less invasive than conventional colonoscopy in screening average-risk ...

Although colon cancer is the second leading cause of cancer mortality, only one half of adults at average risk have been screened. Virtual colonoscopy, which uses computed tomographic (CT) scanning to ...

A colonoscopy is an exam that lets your physician see your entire colon. Before the test, your health care team will give you instructions for how to clear your colon of any stool. This process is ...