A total of 21,160 colorectal cancer cases were extracted; in 18,311 cases, the subsite was identified: 6,916 rectal, 5,239 proximal, and 6,156 distal. A larger proportion of distal colon cancers presented as early stage when compared with proximal. Incidence of rectal and distal colon cancer remained stable, while proximal colon cancer incidence increased. Proximal colon cancer incidence rate increased through the period. Temporal variations in the incidence rate by subsite could suggest different carcinogenic pathways of right- and left-sided colon cancer.
Trends in colorectal incidence by anatomic subsite from 1985 to 2005: A population-based study / Caldarella, A.*; Crocetti, E.; Messerini, L.; Paci, E.. - In: INTERNATIONAL JOURNAL OF COLORECTAL DISEASE. - ISSN 0179-1958. - ELETTRONICO. - 28:(2013), pp. 637-641. [10.1007/s00384-013-1672-2]
Trends in colorectal incidence by anatomic subsite from 1985 to 2005: A population-based study
Caldarella, A.;Crocetti, E.;Messerini, L.;
2013
Abstract
A total of 21,160 colorectal cancer cases were extracted; in 18,311 cases, the subsite was identified: 6,916 rectal, 5,239 proximal, and 6,156 distal. A larger proportion of distal colon cancers presented as early stage when compared with proximal. Incidence of rectal and distal colon cancer remained stable, while proximal colon cancer incidence increased. Proximal colon cancer incidence rate increased through the period. Temporal variations in the incidence rate by subsite could suggest different carcinogenic pathways of right- and left-sided colon cancer.
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