53P - Toripalimab with chemotherapy as first-line treatment for advanced biliary tract tumors: A preliminary analysis of safety and efficacy of an open-label phase II clinical study
Toripalimab
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: 53P - Toripalimab with chemotherapy as first-line treatment for advanced biliary tract tumors: A preliminary analysis of safety and efficacy of an open-label phase II clinical study ### Output: Toripalimab