radiotherapy
US /ˌreɪ.di.oʊˈθer.ə.pi/
UK /ˌreɪ.di.oʊˈθer.ə.pi/

1.
radioterapia
the treatment of disease, especially cancer, using X-rays or other forms of radiation.
:
•
She is undergoing radiotherapy for her lung cancer.
Ela está fazendo radioterapia para o câncer de pulmão.
•
Advances in radiotherapy have improved cancer survival rates.
Os avanços na radioterapia melhoraram as taxas de sobrevida do câncer.