CD274 and neoplasm: Both the PD-L1 tumor positive group (10/12, 83%) and mPD-L1 positive group (17/20, 85%) showed greater extralymphatic organ involvement compared to the mPD-L1 negative group (19/46, 41%), which was statistically significant (P=0.0206 and P=0.0012 respectively, Table 2).