ESR1 and obesity due to melanocortin 4 receptor deficiency: 76 Dignam Dignam JJ JJ Wieand Wieand K K Johnson Johnson KA KA Raich Raich P P Anderson Anderson SJ SJ Somkin Somkin C C Effects of obesity and race on prognosis in lymph node-negative, estrogen receptor-negative breast cancer Effects of obesity and race on prognosis in lymph node-negative, estrogen receptor-negative breast cancer Breast Cancer Res Treat Breast Cancer Res Treat 2006 2006 97 97 3 3 245 245 254 254 10.1007/s10549-005-9118-3 10.1007/s10549-005-9118-3 16331345 16331345