Final answer:
Radiation therapy is a form of cancer treatment that uses high-energy x-rays to prevent cancer cells from growing or splitting further. It is typically used in combination with surgery and/or chemotherapy.
Step-by-step explanation:
Radiation therapy is a form of cancer treatment that uses high-energy x-rays to prevent cancer cells from growing or splitting further. It is typically used in combination with surgery and/or chemotherapy.
Multiple rays are directed toward the cancer from different angles, ensuring that the rays intersect at the site of the cancer and provide a larger dose than in the surrounding healthy tissue.