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Global Cancer Incidence and Mortality Rates and Trends-An Update
Torre LA, Siegel RL, Ward EM, Jemal A.
There are limited published data on recent cancer incidence and mortality trends worldwide. We used the International Agency for Research on Cancer's CANCERMondial clearinghouse to present age-standardized cancer incidence and death rates for 2003-2007. We also present trends in incidence through 2007 and mortality through 2012 for select countries from five continents. High-income countries (HIC) continue to have the highest incidence rates for all sites, as well as for lung, colorectal, breast, and prostate cancer, although some low- and middle-income countries (LMIC) now count among those with the highest rates. Mortality rates from these cancers are declining in many HICs while they are increasing in LMICs. LMICs have the highest rates of stomach, liver, esophageal, and cervical cancer. Although rates remain high in HICs, they are plateauing or decreasing for the most common cancers due to decreases in known risk factors, screening and early detection, and improved treatment (mortality only). In contrast, rates in several LMICs are increasing for these cancers due to increases in smoking, excess body weight, and physical inactivity. LMICs also have a disproportionate burden of infection-related cancers. Applied cancer control measures are needed to reduce rates in HICs and arrest the growing burden in LMICs.Cancer Epidemiol Biomarkers Prev; 25(1); 16-27. ©2015 AACR.See related commentary by Bray, p. 3.