Oral cancer metastasis and prognosis linked to high PD-L1 expression
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- High PD-L1 expression is associated with distant metastasis and decreased overall survival of oral squamous cell carcinoma (OSCC) patients.
- High PD-L1 expression was independently associated with reduced overall survival in male patients and patients who smoke in multivariate analysis (p=.0077 and p=.0004, respectively).
- High PD-L1 was significantly associated with distant metastasis (p=.0103).