Feasibility of adjuvant S-1 chemotherapy after major hepatectomy for biliary tract cancers: An exploratory subset analysis of JCOG1202.
S-1
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: Feasibility of adjuvant S-1 chemotherapy after major hepatectomy for biliary tract cancers: An exploratory subset analysis of JCOG1202. ### Output: S-1