Acute Onset, Rapidly Progressive Anti-Yo Positive Paraneoplastic Cerebellar Degeneration, Associated with Ovarian Cancer, in the Setting of Immune Checkpoint Inhibitor Pembrolizumab Use: a Case Report 
Pembrolizumab
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: Acute Onset, Rapidly Progressive Anti-Yo Positive Paraneoplastic Cerebellar Degeneration, Associated with Ovarian Cancer, in the Setting of Immune Checkpoint Inhibitor Pembrolizumab Use: a Case Report  ### Output: Pembrolizumab