Furthermore, data from The Cancer Genome Atlas (TCGA) were utilized to examine PD-L1 expression profiles and related information.<h4>Results</h4>Tumor stage did not differ significantly (P = 0.173), while metastasis stage approached significance (P = 0.093), with a higher proportion of M0 cases in the PD-L1 low group. The gene discussed is CD274; the disease is neoplasm.