Review of breast conservation therapy: then and now.

ISRN Oncol · 2011 · PMC3200284 · PMID 22229101

Europe PMC DOI

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a nonsignificant trendno p-value reported

In NSABP B-18, there was a nonsignificant trend towards increased ipsilateral breast tumor recurrence (IBTR), 13% in the NST arm versus 10% in the adjuvant arm [ 34 ].

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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.