The outcome of colorectal cancer depends on the stage at diagnosis. About half of patients presenting with symptoms have advanced local (stage 3) or metastatic disease (stage 4) at diagnosis.[379]Heresbach D, Manfredi S, D'halluin PN, et al. Review in depth and meta-analysis of controlled trials on colorectal cancer screening by faecal occult blood test. Eur J Gastroenterol Hepatol. 2006 Apr;18(4):427-33.
http://www.ncbi.nlm.nih.gov/pubmed/16538116?tool=bestpractice.com
[380]Burch JA, Soares-Weiser K, St John DJ, et al. Diagnostic accuracy of faecal occult blood tests used in screening for colorectal cancer: a systematic review. J Med Screen. 2007;14(3):132-7.
https://journals.sagepub.com/doi/pdf/10.1258/096914107782066220
http://www.ncbi.nlm.nih.gov/pubmed/17925085?tool=bestpractice.com
[381]O'Connell JB, Maggard MA, Ko CY. Colon cancer survival rates with the new American Joint Committee on Cancer sixth edition staging. J Natl Cancer Inst. 2004 Oct 6;96(19):1420-5.
https://academic.oup.com/jnci/article/96/19/1420/2905475
http://www.ncbi.nlm.nih.gov/pubmed/15467030?tool=bestpractice.com
In contrast, cancers detected by screening are usually at an earlier stage (mostly stage 1-2).[379]Heresbach D, Manfredi S, D'halluin PN, et al. Review in depth and meta-analysis of controlled trials on colorectal cancer screening by faecal occult blood test. Eur J Gastroenterol Hepatol. 2006 Apr;18(4):427-33.
http://www.ncbi.nlm.nih.gov/pubmed/16538116?tool=bestpractice.com
[380]Burch JA, Soares-Weiser K, St John DJ, et al. Diagnostic accuracy of faecal occult blood tests used in screening for colorectal cancer: a systematic review. J Med Screen. 2007;14(3):132-7.
https://journals.sagepub.com/doi/pdf/10.1258/096914107782066220
http://www.ncbi.nlm.nih.gov/pubmed/17925085?tool=bestpractice.com
In the US, the overall 5-year colorectal cancer survival rate is 65%.[4]National Cancer Institute: Surveillance, Epidemiology, and End Results Program. Cancer stat facts: colorectal cancer. 2023 [internet publication].
https://seer.cancer.gov/statfacts/html/colorect.html
The 5-year survival rate is 91.1% for people with localised cancer, 73.7% for people with cancer that has spread to regional lymph nodes, and 15.7% for people with distant metastases at diagnosis.[4]National Cancer Institute: Surveillance, Epidemiology, and End Results Program. Cancer stat facts: colorectal cancer. 2023 [internet publication].
https://seer.cancer.gov/statfacts/html/colorect.html
The mortality rate is higher in black people and American Indian/Alaska Native people, and lower in Hispanic people, compared with white people.[4]National Cancer Institute: Surveillance, Epidemiology, and End Results Program. Cancer stat facts: colorectal cancer. 2023 [internet publication].
https://seer.cancer.gov/statfacts/html/colorect.html