The cancer will continue to spread in the world, particularly in developing countries, and could reach 22 million new cases a year by 2030, according to a global report released on Monday. In 2012, the number of new cancer cases was estimated at 14 million.

Despite significant progress in the treatment of disease , the number of cancer-related deaths should increase spending and 8.2 million in 2012 to 13 million in 2030 , according to the document . The report warns, however , that more than half of the cases could be avoided " if current knowledge were properly applied ."
" The countries with medium and low incomes will , undoubtedly the hardest hit because many of them are still ill-equipped to confront this escalating number of cancer patients ," said Margaret Chan , director - general of the World Health Organization ( WHO ) , the introductory text of the document .
The final report was prepared by the International Agency for Research on Cancer , a specialized agency of the WHO based in Lyon , France. The work was done with the help of 250 experts from 40 countries .