Colon Cancer: An Easier Diagnosis.

This article presents information on virtual colonoscopy or CT colonography, a new and still experimental screen test for an easier diagnosis of colon cancer. The test uses computed tomography. Some studies have shown that the test has the capability of having the efficacy of the conventional test in finding cancers. However, Joel Fletcher, an American radiologist, views that more studies are needed before the test can be used in routine way. INSET: How It Works.