However, the correlation of the CEA and CYFRA21-1 reduction ≥ 20% with DCR and longer PFS was highly significant.
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The role of CEA, CYFRA21-1 and NSE in monitoring tumor response to Nivolumab in advanced non-small cell lung cancer (NSCLC) patients.
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Specifically, in the multivariate analysis the CYFRA21-1 reduction ≥ 20% contributed significantly to the prediction of PFS and had a significant trend towards a positive prognostic factor.