From 2010 to 2030, the percentage of all cancers diagnosed in older adults will increase from 61% to 70%.
Smith B, Smith G, Hurria A, Hortobagyi G, et al. Future of Cancer Incidence in the United States: Burdens upon an aging, changing nation. J Clin Oncol. 2009; 27(17): 2758-65. http://jco.ascopubs.org/cgi/content/short/27/17/2758?rss=1&ssource=mfc