[Possibilities for improving methods of radiotherapy of esophageal cancer].
The authors considered 3 variants of radiation therapy of esophageal cancer using megavoltage radiation sources: standard methods including a continuous course, optimized planning including a continuous and split irradiation course. In the use of megavoltage sources and a continuous irradiation course the 5-year survival was 8.8%. The use of a split course in rational dosimetric planning made it possible to improve the 3-year survival up to 22.4% in a split course and up to 11.2% in a continuous course. The use of the optimum dosimetric planning made it possible while irradiationg esophageal cancer patients to reduce radiation exposure of the pulmonary tissue and to achieve a decrease of severe forms of radiation pneumonia.
D004938:Esophageal Neoplasms / Q000532:radiotherapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000209:etiology; D011379:Prognosis; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy / Q000009:adverse effects / Q000379:methods
Vozmozhnosti sovershenstvovaniia metodov luchevogo lecheniia raka pishchevoda.