As you may already know, radiation therapy is a form of palliative care. This term covers other treatments as well, including chemotherapy and surgery. In terms of Oncology, palliative treatment can also mean using medicines to minimize the symptoms, including pain and severe discomfort. Keep in mind that you may be tested on your medical terminology during the interview as they delve deeper into your knowledge and expertise. The interviewer is simply checking to make sure you have a clear understanding of your role, responsibilities and care you will be providing your patients.