Fig. 3From: Breast cancer in Iraq is associated with a unimodally distributed predominance of luminal type B over luminal type A surrogates from young to old ageAge specific incidence of the four major ER and HER2 subtypesLegend: Polynomial regression plots show a peak incidence predominantly of ER+/HER2- tumors at approximately age 55–60 years that rapidly declines afterwardBack to article page