The relationship between tumor markers and pulmonary embolism in lung cancer.

Oncotarget · 2017 · PMC5522295 · PMID 28575869

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borderline significanceno p-value reported

In the study of Zhang et al, an elevated CEA level in the tertiles was linearly associated with an increased risk of PE with borderline significance [ 14 ].

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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.