Parkin et al. found that “there is little to no evidence for differences in histopathological type, but tumours in black females are of a higher grade, are more often hormone-receptor negative, and more often show characteristics of inflammatory breast cancer than those in white females” .15 Receptor status data was available for a fraction of the patients, as it is considered an out-of-pocket expense for patients. The gene discussed is NR4A1; the disease is neoplasm.