The prevalence of estrogen receptor-negative breast cancer in Ethiopia

In contrast with breast cancers (BCs) in other parts of the world, most previous studies reported that the majority of BCs in sub-Saharan Africa are estrogen-receptor (ER) negative. However, a recent study using the US SEER database showed that the proportion of ER-negative BC is comparable…

Source:The prevalence of estrogen receptor-negative breast cancer in Ethiopia