Virtual colonoscopy, also called computed tomography colonography (CTC) or CT colonography, is a noninvasive way to check for polyps and colon cancer tumors. If you need a colonoscopy, you may wonder ...

A study finds that use of virtual colonoscopy, a non-invasive way of scanning the colon for potentially cancerous growths, is on the rise.more That’s a bit of a surprise, given that not all medical ...

Having had two optical and one virtual colonoscopy over the last 10 to 12 years, I read the article about the procedures with much interest ["Inside Out," April 28]. Two things became immediately ...