Radiation dose escalation by simultaneous modulated accelerated radiotherapy combined with chemotherapy for esophageal cancer: a phase II study.

Oncotarget · 2016 · PMC5008394 · PMID 26992206

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showed a trendno p-value reported

They showed a trend of significant improvements in local-regional control and overall survival.

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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.