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To the Editor Dr Iqbal and colleagues1 reported that black women with breast cancer had worse outcomes compared with other groups. The authors concluded that “much of the difference could be statistically accounted for by intrinsic biological differences such as lymph node metastasis, distant metastasis, and triple-negative behavior of tumors.”1
Braun L, Tsai J, Ucik L. Racial and Ethnic Differences in Breast Cancer Diagnosis and Survival. JAMA. 2015;313(14):1475. doi:10.1001/jama.2015.2583