Treating DCIS with surgery and radiotherapy lowers cancer risk but benefits drop over time

(European Organisation for Research and Treatment of Cancer) A major study of women with DCIS - a breast condition that can become invasive cancer - has shown that surgery to remove the tissue followed by radiotherapy offers better protection compared to surgery alone. The study, presented at the 12th European Breast Cancer Conference, followed patients for up to 27 years. Although it shows that the benefit of radiotherapy and surgery over surgery alone persists, it also suggests that this benef...