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Comment & Response
June 24, 2021

Racial/Ethnic Differences in the 21-Gene Recurrence Score Assay Among Women With Breast Cancer

Author Affiliations
  • 1Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
JAMA Oncol. 2021;7(8):1248. doi:10.1001/jamaoncol.2021.1956

To the Editor We read with great interest the retrospective cohort study conducted by Hoskins et al,1 which indicated that Black women in the US were more likely to have a high-risk recurrence score and to die of axillary node–negative breast cancer than non-Hispanic White women with comparable recurrence scores. However, we have some concerns about the study.

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