Prognostic value of PD-L1 expression in bronchopulmonary neuroendocrine tumours.

Endocr Connect · 2021 · PMC7983515 · PMID 33475525

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highly significantno p-value reported

There was a highly significant negative association between PD-L1 levels and both SST1 and CgA expression; whereas a strong positive correlation between PD-L1 levels and both CXCR4 expression and Ki-67 index was noted ( Table 3 ).

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