antibodies recognizing cytokeratins 18 and 19 reacted with luminal epithelial cells but not with myoepithelial cells of normal mammary gland , cystic disease , adenosis , papilloma , and fibroadenoma or with a subpopulation of proliferating cells in sclerosing adenosis and epitheliosis .
C0178421
fibroadenoma
C0007634
cells