The NCCN Guidelines for Colorectal Cancer Screening recently provided updates for patients at average and increased risk—most notably, lowering the recommended starting age from 50 to 45. Hear Dr. Reid Ness walk through the updates in depth, providing insight on screening protocols for different patient populations. Dr. Ness is an Associate Professor of Medicine at Vanderbilt University Medical Center in Nashville, Tennessee, faculty with the Vanderbilt Ingram Cancer Center, and the Chairman of the committee that developed the colorectal cancer screening guidelines.