radiation therapy
US /ˌreɪ.diˈeɪ.ʃən ˈθer.ə.pi/
UK /ˌreɪ.diˈeɪ.ʃən ˈθer.ə.pi/

1.
radioterapia
a type of cancer treatment that uses beams of intense energy to kill cancer cells
:
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She is undergoing radiation therapy for her lung cancer.
Ela está fazendo radioterapia para o câncer de pulmão.
•
The doctor recommended radiation therapy as a follow-up to surgery.
O médico recomendou radioterapia como acompanhamento da cirurgia.