Extranodal spread of primary and secondary metastatic nodes: The dominant risk factor of survival in patients with head and neck squamous cell carcinoma.

PLoS One · 2017 · PMC5570313 · PMID 28837620

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borderline significanceno p-value reported

analyzed the risk factors in a more homogeneous patient population (oral cavity SCC) to show that ENS was a significant predictor for patient survival, albeit with borderline significance in multivariable analysis [ 11 ].

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