Postmastectomy radiation in breast cancer with one to three involved lymph nodes: ending the debate. The Lancet, June 2014, Vol. 383(9935), p.2104-06.
Poortmans, P.
http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(14)60192-6/fulltext?rss=yes
Many trials in breast cancer have investigated various aspects of locoregional and systemic treatments. Combination of the results of these trials in a meticulous meta-analysis, as has been done several times by the Early Breast Cancer Trialists' Collaborative Group (EBCTCG), fills the gaps in evidence and knowledge by conclusively showing significant trends and differences.