Cyclin-dependent Kinase 4/6 Inhibitors Combined with Radiotherapy in the Management of Brain Metastases in HR-positive/HER2-negative Breast Cancer Patients
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: Cyclin-dependent Kinase 4/6 Inhibitors Combined with Radiotherapy in the Management of Brain Metastases in HR-positive/HER2-negative Breast Cancer Patients ### Output: 