Colonoscopy is a procedure that uses an endoscope to examine the inside of the large intestine. Learn more about this procedure.
Cancer screening is any method of looking for cancer before it causes symptoms and may be easier to treat.
More than 80 percent of children diagnosed with cancer are cured, and chemotherapy is an effective treatment for childhood cancer.
Blood in the stool can be an alarming symptom that signals underlying conditions from hemorrhoids to colon cancer.