One in five need reoperation after breast-conserving surgery. The Lancet oncology, August 2012, Vol. 13(8), p.e334.
Bennett, N.
http://www.thelancet.com/journals/lanonc/article/PIIS1470-2045(12)70339-X/fulltext?rss=yes#
20% of women with breast cancer who undergo breast-conserving surgery will need a second operation, according to the results of a retrospective study from England.
