1. Ferlay J, Soerjomataram I, Dikshit R, et al. Cancer incidence and mortality worldwide: sources, methods and major patterns in GLOBOCAN 2012. Int J Cancer. 2015;136(5):E359–86.
2. Van Cutsem E, Cervantes A, Adam R, et al. ESMO consensus guidelines for the management of patients with metastatic colorectal cancer. Ann Oncol. 2016;27(8):1386–422.
3. National Comprehensive Cancer Network. NCCN clinical practice guidelines in oncology: colon cancer (version 2.2018). 2018. https://www.nccn.org/professionals/physician_gls/pdf/colon.pdf . Accessed 8 Mar 2018.
4. National Comprehensive Cancer Network. NCCN clinical practice guidelines in oncology: rectal cancer (version 1.2018). 2018. https://www.nccn.org/professionals/physician_gls/pdf/rectal.pdf . Accessed 25 May 2018.
5. Bayer AG. Stivarga (regorafenib): summary of product characteristics. 2017. http://www.ema.europa.eu/docs/en_GB/document_library/EPAR_-_Product_Information/human/002573/WC500149164.pdf . Accessed 25 May 2018.