In this edition of Cancer Registry World, Elliot Asare, MD, FACS, discusses the role of cancer registry data in developing staging strategies for the 9th Version of the AJCC TNM system. Dr. Asare is a surgical oncologist and Assistant Professor at the University of Utah School of Medicine and Attending Surgeon at the Huntsman Cancer Center in Salt Lake City, Utah. In addition, Dr. Asare is the Chair of the AJCC Editorial Committee. Please enjoy listening and learning!