2Kheirelseid EI-I, Boggs JM, Curran C, et al. Younger age as a prog- nostic indicator in breast cancer: a cohort study [ J ]. BMC Cancer, 2011,11:383.
3Foxcroft LM,Evatts EB, Porter ALl. The diagnosis of breast cancer in women younger than 40 [ J ]. Breast,2004,13:297-306.
4Bullier B, Maegrogan G, Bonnefoi H, et al. Imaging features of spo- radic breast cancer in women under 40 years old : 97 eases [ J ]. Eur Radio1,2013 ,23 :3237-3245.
5Goldhirsch A, Wood WC, Coates AS,et al. Strategies for subtypes- dealing with the diversity of breast cancer: highlights of the St. Gallen International Expert Consensus on the Primary Therapy of Early Breast Cancer 2011 [ J]. Ann Onco1,2011,22 : 1736-1747.
6Fredholm H, Eaker S, Ffisell J, et al. Breast cancer in young women: poor survival despite intensive treatment [J]. PLoS One, 2009,4 :e7695.
7Alieldin NH, Abo-Elazm OM, Bilal D, et al. Age at diagnosis in women with non-metastatic breast cancer: Is it related to prognosis? [ J ] J Egypt Natl Canc Inst ,2014,26:23-30.
8Lehman CD, Lee CI, Loving VA, et al. Accuracy and value of breast ultrasound for primary imaging evaluation of symptomatic wmen 30 -39 years of age[J]. AJR,2012,199:l169-1177.
9Livi L, Meattini I, Saieva C, et al. The impact of young age on breast cancer outcome[ J]. Eur J Surg 0ncol,2010,36:639-645.
10Perry NM, Patani N, Milner SE, et al. The impact of digital mammog- raphy on screening a young cohort of women for breast cancer in an urban specialist breast unit[ J]. Eur Radiol,2011,21:676-682.
