Mastitis米TreatmentAbx*Continueto breastfeedClosefollow-up
BreastAbscessAbscess米*Breast tissue*Treatment*AbxNeedleaspiration*Incision and drainage
tCancerBreast
1.Introduction概论Westerncountries*>100/100,000stableincidence*declinedmortality*China7-10%ofall malignancies2ndmostcommon Cain3%yearlyincrease rate (highest乐worldwide)
2.Etiology病因Hormonalinfluence（激素影响）：Longdurationofreproductivelife（育龄的长时间持续）Nulliparity([,nali'paerati]未产妇）Lateageatfirstchild（老龄生育）Functioningovariantumor（卵巢肿瘤影响）Fibrocysticdisease（乳腺纤维囊性病）Radiationexposure（射线照射）Obesity（肥胖）Geneticpredisposition遗传倾向