What Is a Colonoscopy? A colonoscopy is a minimally invasive test that is used to discover abnormal growths and disease conditions in the anus, rectum, large intestine, or colon. Done on an outpatient basis, a colonoscopy is an effective tool in screening patients for a variety of GI problems, including colorectal cancer. This malignancy is the third most deadly form of cancer in the United States today according to the Centers for Disease Control. Why Do I Need a Colonoscopy? If you are age ... [Read More]