morphological and mammographic study of small ( less than 1 cm ) focal mammary gland lesions of 170 women revealed foci of typical epithelium proliferation of the ducts and lobules , fibrosing adenosis , small duct papillomas and fibroadenoma , intraductal and ductal carcinoma in situ , sometimes with small invasion foci , infiltrating carcinoma , infiltrating lobular carcinoma .
C0014609
epithelium
C0007097
carcinoma