Improvements in radiation therapy techniques and results in three significant areas of cancer were reported to the Canadian Association of Radiologists during its recent annual meeting in Montreal.
Supervoltage radiation produced a symptom-free result in 18 of 30 elderly patients with bladder cancer after five years, reported Juan A. del Regato, MD, of Colorado Springs.
Four patients with Ewing's sarcoma are alive and without symptoms a year after radiation therapy with a cancer-killing dose to the tumor and 300 rads to the whole body in a program undertaken by W.D. Rider, MD, at the Ontario Cancer Institute in Toronto.
Twelve patients, given prophylactic irradiation of one lung at the Montreal General Hospital in an effort to avert pulmonary metastasis have indicated early signs of possible benefit without intolerable radiation side effects, reported Marvin Lougheed, MD, chief of the hospital's radiation therapy section.
The 30 patients with