OAK BROOK, Ill. — According to the American Society for Gastrointestinal Endoscopy (ASGE), colonoscopy remains the most effective screening option for colorectal cancer. Colonoscopy is widely accepted as the best method for colon cancer screening because it allows the trained physician to thoroughly evaluate the entire colon. Colonoscopy has a high detection rate for polyps, including small lesions, and the ability to remove them immediately during the procedure, rather than scheduling a second exam. Biopsies can also be taken of any abnormal areas at the same time as the screening or diagnostic test. “Although there have been recent studies showing improvements in other colon cancer screening modalities, colonoscopy i…