1. UK bowel cancer key facts. Cancer Research UK,
http://www.cancerresearchuk.org/cancer-help/type/bowel-cancer
. (Accessed: 12th May 2018)
2. Riihimaki, M., Hemminki, A., Sundquist, J. & Hemminki, K. Patterns of metastasis in colon and rectal cancer. Sci. Rep. 6, 1–9 (2016).
3. Public Health England’s National Cancer Intelligence Network (NCIN) Age-standardised incidence rates, one- and five-year survival, all patients diagnosed with upper gastrointestinal cancers, England.
https://www.cancerresearchuk.org/about-cancer/bile-duct-cancer/survival
. (Accessed: 24th October 2018) (2015).
4. Chambers, A., Groom, A. & MacDonald, I. Dissemination and growth of cancer cells in metastatic sites. Nat. Rev. Cancer 2, 563–572 (2002).
5. Sheth, K. R. & Clary, B. M. Management of hepatic metastases from colorectal cancer. Clinics Colon Rectal Surg. 18, 215–223 (2005).