TY - GEN AU - Polyak,Kornelia TI - Breast cancer: origins and evolution SN - 0021-9738 PY - 2008///0402 KW - Breast Neoplasms KW - classification KW - Cell Transformation, Neoplastic KW - Disease Progression KW - Epigenesis, Genetic KW - Female KW - Humans KW - Mammary Glands, Human KW - cytology KW - Neoplasm Metastasis KW - Stem Cells KW - physiology N1 - Publication Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Review UR - https://doi.org/10.1172/JCI33295 ER -