Results Pathological exam showed fibroadenoma of breast in 226 cases, adenosis of breast in 172 cases, lacteal cyst in 48 cases, intraductal papillary epithelioma in 9 cases, ductal ectasia in 3 cases. 病理结果:乳腺纤维腺瘤226例,乳腺腺病瘤样增生172例,乳腺囊肿48例,乳管内乳头状瘤9例,乳腺导管扩张3例。