Colonoscopy vs. Sigmoidoscopy: What’s the Difference? If your doctor wants to check the health of your colon — whether as part of a routine screening or to investigate a concern — they may recommend a ...
A sigmoidoscopy is a test a doctor uses to examine the lower portion of the colon. This procedure can help detect conditions such as colorectal cancer. A sigmoidoscopy involves using a thin instrument ...
Colorectal cancer was considered a disease that mainly affected older adults; now doctors are diagnosing more people in their ...