It is the use of high-energy radiation usually x-rays for the treatment of cancers. It damages DNA. Radiotherapy is of two types: External radiotherapy using linear accelerator and internal radiotherapy using a small piece of radioactive material inside the body near cancerous cell.
Related Journals of Radiotherapy
Chemotherapy: Open Access,OMICS Journal of Radiology,Radiotherapy and Oncology, Reports of Practical Oncology and Radiotherapy, Journal of Radiotherapy in Practice, Cancer research UK.