Review
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastrointest Surg. Jan 27, 2012; 4(1): 9-19
Published online Jan 27, 2012. doi: 10.4240/wjgs.v4.i1.9
Table 3 Mean number of lymph nodes associated with age and tumor location
No. of casesNo. of lymph nodes (mean ± SD)
Age (yr)
≤ 504018.2 ± 12.6
> 50 and ≤ 608217.8 ± 9.5
> 60 and ≤ 7010914.4 ± 8.0a
> 70 and ≤ 8011715.1 ± 7.2a
> 808214.9 ± 7.4a
Location
Cecum/ ascending colon16117.8 ± 7.9c
Transverse colon2214.5 ± 7.0
Descending colon1519.0 ± 12.5
Sigmoid colon16714.3 ± 9.4
Rectum6913.7 ± 6.6