radioterapeias
Radiotherapy, also known as radiation therapy, is a medical treatment that uses high-energy radiation to kill cancer cells or shrink tumors. It is often used in conjunction with surgery, chemotherapy, or other radiation treatments. The radiation can be delivered externally, using a machine outside the body, or internally, using radioactive materials placed inside the body.
External beam radiotherapy involves directing a beam of radiation at the tumor from outside the body. This
Internal radiotherapy, also known as brachytherapy, involves placing radioactive materials directly into or near the tumor.
Radiotherapy is often used to treat cancers of the head and neck, breast, lung, prostate, and gynecological