JENKINTOWN, Pa.--(BUSINESS WIRE)--The National Comprehensive Cancer Network (NCCN) announces updates to the NCCN Colon Cancer Guidelines. The NCCN Clinical Practice Guidelines in Oncology™ are widely recognized and applied as the standard for clinical care in oncology in both the community practice setting and in academic cancer centers. These guidelines are used extensively by managed care companies and by Medicare as the basis for coverage policies. These guidelines are updated continually and are based upon evaluation of scientific data integrated with expert judgment.