If you meet two or more of items one to six, or any of items seven to ten, you are determined to be at high risk for colorectal cancer. It is important for your health that you undergo a full colonoscopy if you are physically able to do so. You have a history of chronic diarrhea. You have a history of chronic constipation. You have a history of mucus and/or bloody stools. You have a history of chronic appendicitis or appendectomy. You have a history of chronic cholecystitis or cholecystectomy. You have suffered a major life event such as divorce, death of a spouse, death of a first-degree relative, or layoff of a child in the last 20 years. You have a history of cancer. You have a history of intestinal polyps. You have a history of intestinal cancer in a first-degree relative (parent, sibling, child). Positive fecal occult blood test.