Nervous about getting a colonoscopy? A gastroenterologist answers six common questions about prep, the procedure, and what to expect.

A colonoscopy can help your doctor find precancerous polyps, early colorectal cancer, or other health conditions that may be affecting your colon or rectum. Early diagnosis and treatment may improve ...

For the past few decades, optical colonoscopy has been the gold standard in colon cancer screening. However, recent studies have shown that virtual colonoscopy may be the safest and most ...