No differences were detected between high PD-L1 expression and the different histology included: 66.7% of the patients were diagnosed with adenosquamous NSCLC (p value = 0.7), 48% were diagnosed with non-squamous NSCLC (p value = 0.15), and 72.3 were diagnosed with squamous NSCLC (p value = 0.19). The gene discussed is CD274; the disease is non-small cell lung carcinoma.