Silver Book Fact
Reductions in mortality for lung, female breast, prostate, and colorectal cancers accounted for 60 to 80 percent of the total decrease in all cancer deaths since the early 1990s.
Jemal, A, E Ward, and M Thun. Declining Death Rates Reflect Progress Against Cance. PLoS One. 2010; 5(3): e9584. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0009584