This malignancy is sent from your clinic to oncology and an FDA approved therapy is initiated. What is the target of this medication?

A. PD-1 receptor on tumor cells

B. PD-1 receptor on T cells

C. PD-L1 receptor on tumor cells

D. PD-L1 receptor on T cells

E. CTLA-4 receptor on tumor cells

To find out the correct answer and read the explanation, click here. 

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