Tumor PD-L1 expression may be associated with poor prognosis in patients with NSCLC, although its significance weakens when postoperative therapy is considered.
- The immunohistochemistry assay using the anti-PD-L1 antibody 22C3 merits further investigation in clinical trials and prevalence assessments to further understand the prognostic and predictive value of PD-L1 expression in cancer.
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