The level of PD-L1 expression in a tumor can provide information about its likelihood to respond to anti-PD-1/PD-L1 immunotherapy treatment: Typically, tumors with high PD-L1 expression are more effectively treated with anti-PD-1/PD-L1 immunotherapy, whereas tumors with low or no PD-L1 expression have a lower effectiveness of response to these treatments. Here, CD274 is linked to neoplasm.