@article {4868, title = {Body size, physical activity, and risk of triple-negative and estrogen receptor-positive breast cancer.}, journal = {Cancer epidemiology, biomarkers \& prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology}, volume = {20}, year = {2011}, month = {2011 Mar}, pages = {454-63}, abstract = {Triple-negative breast cancer, characterized by a lack of hormone receptor and HER2 expression, is associated with a particularly poor prognosis. Focusing on potentially modifiable breast cancer risk factors, we examined the relationship between body size, physical activity, and triple-negative disease risk.}, keywords = {2011, Aged, Aged, 80 and over, Body Size, Breast Neoplasms, Female, Follow-Up Studies, Humans, Longitudinal Studies, Middle Aged, Motor Activity, Postmenopause, Public Health Sciences Division, Randomized Controlled Trials as Topic, Receptor, erbB-2, Receptors, Estrogen, Receptors, Progesterone, Treatment Outcome, United States, Waist-Hip Ratio}, issn = {1538-7755}, doi = {10.1111/j.1541-0420.2011.01574.x}, author = {Phipps, Amanda I and Chlebowski, Rowan T and Prentice, Ross L and McTiernan, Anne and Stefanick, Marcia L and Wactawski-Wende, Jean and Kuller, Lewis H and Adams-Campbell, Lucile L and Lane, Dorothy and Vitolins, Mara and Kabat, Geoffrey C and Rohan, Thomas E and Li, Christopher I} }