Prognostic influence of cyclooxygenase-2 protein and mRNA expression in node-negative breast cancer patients.

BMC Cancer · 2014 · PMC4302078 · PMID 25511800

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highly significantno p-value reported

In contrast to our negative results with COX-2 mRNA levels we found a highly significant association between COX-2 immunohistochemistry and outcome in the same cohort of node-negative breast cancer patients.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.