Learn more about the types of colorectal cancer screenings available. Reviewed 10/5/2023 Sources American Cancer Society. "Can Colorectal Polyps and Cancer Be Found Early?" https://www.cancer.org/cancer/colon-rectal-cancer/detection-diagnosis-staging/detection.html. Office of Disease Prevention and Health Promotion. "March National Health Observances: Nutrition, Colorectal Cancer, and HIV/AIDS." https://health.gov/news/202302/march-national-health-observances-nutrition-colorectal-cancer-and-hivaids. Related stories