PD-L1-expressing B cells promote murine breast cancer development and mediate the response to anti-PD-L1 immune checkpoint inhibitor to upregulate B-cell CD86 and inhibit tumor growth
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: PD-L1-expressing B cells promote murine breast cancer development and mediate the response to anti-PD-L1 immune checkpoint inhibitor to upregulate B-cell CD86 and inhibit tumor growth ### Output: 