【摘要】:
<正>1文献来源Virnig BA,Tuttle TM,Shamliyan T,et al.Ductal carcinoma in situ of the breast:A systematicreview of incidence,treatment,and outcomes[J].JNatl Cancer Inst,2010,102(3):170-178.2证据水平1b。3背景乳腺导管原位癌(ductal carcinoma in situ,DCIS)是一种非浸润性的乳腺癌,它包括了从不威胁生命的低度恶性病变到也许隐匿了浸润性乳腺癌病灶的高度恶性病变。