Andrew Hantel is an assistant professor of medicine at Harvard Medical School and a faculty member in the Divisions of Leukemia and Population Sciences at Dana-Farber Cancer Institute and at the HMS Center for Bioethics. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. A. Hantel and Others. The Duffy Null Phenotype — Addressing a Source of Discrimination in Cancer Care. N Engl J Med 2024;391:1969-1972.