A single-arm confirmatory study to evaluate the efficacy of nonsurgical therapy for HER2-positive early breast cancer with clinical complete response after primary systemic therapy: (JCOG1806: AMATERAS-BC study).
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 single-arm confirmatory study to evaluate the efficacy of nonsurgical therapy for HER2-positive early breast cancer with clinical complete response after primary systemic therapy: (JCOG1806: AMATERAS-BC study). ### Output: 