Radiation Oncology is a cancer treatment that uses high energy radiation to shrink tumors in the body and kill cancer cells. The types of waves used in radiation are X-ray, gamma, and charged particles. A machine is used to deliver treatment outside the body directly to the tumor. This is called external radiation therapy. There are various cancers treated by radiation oncology, but a few of the top cancers are breast cancer, lung cancer, and more. Continue Reading Article >