A patient-specific, tumor-informed, circulating tumor DNA (ctDNA)-based minimal residual disease (MRD) assay in surgical patients with biliary tract cancer
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: A patient-specific, tumor-informed, circulating tumor DNA (ctDNA)-based minimal residual disease (MRD) assay in surgical patients with biliary tract cancer ### Output: 