CD274 and neoplasm: Showing the distribution of PD-1 and PD-L1 in tumor cells and PD-L1 in lymphocytes among the various pathological and clinical groups of non-small-cell lung cancer patients in the present study. In addition, the p-values for the association by the Fisher's Exact Test of the groups with PD-1 and PD-L1 status are also given.