Colon Cancer

Studies from University of California update current data on colon cancer

Published in Cancer Weekly, March 17th, 2009

According to a study from the United States, "Evaluation of 12 lymph nodes has been mandated to prevent colon cancer understaging. Given that the probability of node metastases is largely associated with T-stage, are < 12 nodes substandard for T1 and T2 lesions' We evaluated if survival for T1 and T2 tumors varies by nodes examined."

"In SEER, 61,237 patients undergoing colon cancer resection were identified. For each T-stage, 5-year survival rates were compared for node-negative cancers by using stepwise node cut-point comparisons (4 nodes, < 4, etc.). Survival impact was determined by log-rank test and hazard regression. For T1 tumors, 4 nodes had 24% lower...

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Source: Cancer Weekly (2009-03-17)

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