CD8/CD4 ratio, CD56, and PD-L1 as prognostic markers in sinonasal mucosal melanoma
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Background: Sinonasal mucosal melanoma (SNMM) is an aggressive malignancy with limited prognostic markers. This study aimed to determine whether immune markers, including the CD8 to CD4 lymphocyte ratio, CD56-positive lymphocytes... ...
