IL-18 pathway agonism expands intratumoral PD1<sup>+</sup> Tcf1<sup>+</sup> stem-like CD8<sup>+</sup> cells and their polyfunctional effector progeny to promote anti-tumor immunity
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: IL-18 pathway agonism expands intratumoral PD1<sup>+</sup> Tcf1<sup>+</sup> stem-like CD8<sup>+</sup> cells and their polyfunctional effector progeny to promote anti-tumor immunity ### Output: 