The therapy is called Radiation Therapy. Its a treatment that kills abnormal cells or cancel cells by using radioactive ray such as gamma rays use it in killing the cancer cells in the body without harming any good cells that support the immune system of the body. This therapy also use any king of radioactive material in the treatment by placing it in the area that is near the cancer cells or a tumor.
I think is not the correct pattern. You should express how you feel or what you KNOW not think
