A longer waiting interval (more than the classical 6-8 weeks) from the end of preoperative CRT increases the rate of pCR by 6% in rectal cancer, with similar outcomes and complication rates. These results should be validated prospectively in a randomized trial.
Preoperative chemoradiation with capecitabine and RT appeared to be effective in locally advanced resectable, rectal cancer. The favorable safety profile of the combination might warrant the use of capecitabine and RT with other effective new drugs.
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