目的探讨乳腺实质x线分型与乳腺癌相关性，对乳腺癌高危人群实行干预性治疗和定期追查，达到降低乳腺癌发生率和死亡率的目的。方法对5......

目的探讨乳腺X线分型法(Mammographic Paren-chymal patterns,MPP)与BI-RADS(breast imaging reporting and data system)分类法用......