The toll of death and suffering from cancer in developing countries has increased sharply in recent decades. So has the disparity in the allocation of resources for cancer care and control between rich and poor countries.
More than 4 million of the 7.6 million cancer deaths in the world each year now occur in developing countries. The result is a drastic "5/80 disequllibrium" in which only 5 percent of the global resources allocated for cancer go to the developing countries that bear more than 80 percent of the burden of disease.
(Partners in Health Website)