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Table 1 Percentage distribution of cases diagnosed by anatomical site, by sex, UK, annual average 2010–2012 [11]

From: A review of sex-related differences in colorectal cancer incidence, screening uptake, routes to diagnosis, cancer stage and survival in the UK

Cancer site (ICD-10 code) Male Female
Average Cases % Average Cases %
Caecum (C18.0) 2829 12.2% 3145 17.2%
Appendix (C18.1) 254 1.1% 356 1.9%
Ascending Colon (C18.2) 1691 7.3% 1790 9.8%
Hepatic Flexure (C18.3) 673 2.9% 616 3.4%
Transverse Colon (C18.4) 1098 4.7% 1148 6.3%
Splenic Flexure (C18.5) 539 2.3% 393 2.1%
Descending Colon (C18.6) 707 3.0% 558 3.0%
Sigmoid Colon (C18.7) 5380 23.1% 3740 20.4%
Colon, Overlapping and Unspecified (C18.8-C18.9) 1153 5.0% 1243 6.8%
Rectosigmoid Junction (C19) 1631 7.0% 1089 5.9%
Rectum (C20) 7327 31.5% 4240 23.1%
Total 23,282 100.0% 18,317 100.00%