Correlation between tumor regression grade and rectal volume in neoadjuvant concurrent chemoradiotherapy for rectal cancer.

Radiat Oncol J · 2016 · PMC5066448 · PMID 27592514

Europe PMC DOI

hedged sentence

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may not be significantno p-value reported

The dose reduction effect from air cavity may not be significant enough to affect the clinical outcomes of the 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.