Fig. 3From: The prevalence of human papillomavirus in pediatric tonsils: a systematic review of the literatureGeographical distribution of oropharyngeal cancer incidence rates per 100,000 worldwide. A darker shade of green represents rate higher than the worldwide average (ā„2.0),31 while a lighter tone represents a lower rate (<ā2.0%). Source: 31Ferlay J, Soerjomataram I, Ervik M, et al. Cancer incidence and mortality worldwide: IARC CancerBase No. 11. GLOBOCAN. 2012;1.0. Available from: http://globocan.iarc.fr, accessed on 22/06/2017. USA ā 3.831, United Kingdom ā 3.531, China ā 0.531, Belgium ā 6.731, Turkey ā 0.531, Russia ā 2.931, Greece ā 1.331, Brazil ā 2.831, Finland ā 2.131Back to article page