1. World Health Organization, International Agency for Research on Cancer. GLOBOCAN 2012: Estimated cancer incidence, mortality, and prevalence worldwide in 2012. Cancer fact sheets (
http://globocan.iarc.fr/Pages/fact_sheets_cancer.aspx
), Accessed June 5, 2018.
2. Kaprin, A. D., Starinskii, V. V., and Petrova, G. V. (eds.) (2017) Occurrence of Cancer in Russia in 2017: Morbidity and Mortality [in Russian], Gertsen Moscow Research Oncology Institute, Moscow.
3. Raskov, H., Pommergaard, H. C., Burcharth, J., and Rosenberg, J. (2014) Colorectal carcinogenesis-update and perspectives, World J. Gastroenterol., 20, 18151–18164; doi: 10.3748/wjg.v20.i48.18151.
4. Wang, Q., and Wu, X. (2017) Primary and acquired resistance to PD-1/PD-L1 blockade in cancer treatment, Int. Immunopharmacol., 46, 210–219; doi: 10.1016/j.intimp. 2017.03.015.
5. Nowicki, T. S., Hu-Lieskovan, S., and Ribas, A. (2018) Mechanisms of resistance to PD-1 and PD-L1 blockade, Cancer J., 24, 47–53; doi: 10.1097/PPO.0000000000000303.