Exceptional response to PD-L1 inhibitor after radiation therapy in a patient with small cell neuroendocrine tumor of the prostate gland refractory to combination treatment with PD-1 and CTLA-4 inhibitors
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: Exceptional response to PD-L1 inhibitor after radiation therapy in a patient with small cell neuroendocrine tumor of the prostate gland refractory to combination treatment with PD-1 and CTLA-4 inhibitors ### Output: 