The other 32 cases were benign lesion,in which there were 6 fibroadenoma ,5 microcyst,1 intraductal papilloma,18...

• 良性病变32例,其中纤维腺瘤6例,显微囊肿5例,导管内乳头状瘤1例,导管扩张2例,囊性增生18例。