From Longman Dictionary of Contemporary Englishradiotherapyra‧di‧o‧ther‧a‧py /ˌreɪdiəʊˈθerəpi $ -dioʊ-/ noun [uncountable] MHthe treatment of illnesses using radiation —radiotherapist noun [countable]
Examples from the Corpus
radiotherapy• We have modified the recently completed St Jude protocol to withhold systemic antimetabolites during radiotherapy.• One other patient withdrew from the trial because of development of a painful rectum during radiotherapy.• Preoperative radiotherapy with 30 Gy was performed in 52 patients.• When cancers did respond, radiotherapy was particularly useful in dealing with secondary growths which were too widespread for surgical relief.• The study was conducted in a subregional radiotherapy centre and an academic department of gastroenterology and therapeutics.• Fears that radiotherapy would cause genetic mutations leading to handicaps in offspring appear to be groundless, according to studies among 3,000 survivors.• There is also an increased risk of cancer and high sensitivity to radiation means that radiotherapy can't be used.• Six of the patients used an opiate or an anti-diarrhoeal preparation during the radiotherapy. 