2Clarke M, Collins R, Darby S, et al. Effects of radiotherapy and of differences in the extent of surgery for early breast cancer on local recurrence and 15-year survival: an overview of the random- ized trials[J]. Lancet, 2005,366 : 2087-2106.
3Veronesi U, Cascinelli N, Mariani L, etal. Twenty year follow- up of a randomized study comparing breast-conserving surgery with radical mastectomy for early breast cancer[J]. N Engl J Med,2002,347:1227-1232.
4McCormick B. Partial-breast radiation for early staged breast cancers: hypothesis, existing data, and a planned phase Ⅲ trial [J]. J NatlCompr Canc Netw,2005,3:301-307.
5Bellon JR, Come SE, Gelman RS, et al. Sequencing of chemo- therapy and radiation therapy in early-stage breast cancer: upda- ted results of a prospective randomized trial[J]. J Clin Oncol, 2005,23 : 1934-1940.
