Circulating tumor cells in patients with hormone receptor-positive, HER2-negative metastatic breast cancer receiving palbociclib with fulvestrant after progression on palbociclib with an aromatase inhibitor.
Fulvestrant;Palbociclib
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: Circulating tumor cells in patients with hormone receptor-positive, HER2-negative metastatic breast cancer receiving palbociclib with fulvestrant after progression on palbociclib with an aromatase inhibitor. ### Output: Fulvestrant;Palbociclib