pharm

A 38-year old female arrives at the infusion clinic that you are working at. She states that she has already had a double mastectomy and is not sure why the oncologist is ordering chemotherapy since she has already had her breast removed.Why would an oncologist order chemotherapy in addition to surgery?What are the benefits of using a combination of chemotherapy to treat cancer?What are some of the topics you should discuss with a patient that is here for her first chemotherapy treatment?