As previously reported in CBCS3 [6] and elsewhere [5, 7], black women of all ages had a higher frequency of basal-like (33.9% versus 16.7%) and HER2-enriched (13.3% versus 10.0%) cancers, and lower frequency of luminal A breast cancers (29.5% versus 47.3%). The gene discussed is ERBB2; the disease is breast cancer.