Virtual colonoscopy can save your life.

• Position: 3-D Imagery - Brief article

People still decide to skip screenings for colorectal cancer even though the condition is one of the most commonly diagnosed and is the second-leading cause of cancer death in the U.S.

A 3-D virtual colonoscopy--a quicker, less-invasive version of the conventional screening test--Is an option for patients and doctors to consider. Using an imaging technique known as computed tomography and virtual reality computer soft ware, physicians can view and evaluate detailed images of the Inside of the colon and rectum.

"Virtual colonoscopy is designed to take some of the fear or intimidation out of the exam," says Cecelia Brewington, vice chair of Imaging Services at the University of Texas...