7 Hernández Hernández JE JE Llacuachaqui Llacuachaqui M M Palacio Palacio GV GV Figueroa Figueroa JD JD Madrid Madrid J J Lema Lema M M Prevalence of BRCA1 and BRCA2 mutations in unselected breast cancer patients from Medellín, Colombia Prevalence of BRCA1 and BRCA2 mutations in unselected breast cancer patients from Medellín, Colombia Hered Cancer Clin Pract Hered Cancer Clin Pract 2014 2014 12 12 11 11 11 11 10.1186/1897-4287-12-11 10.1186/1897-4287-12-11 24742220 24742220. The gene discussed is BRCA2; the disease is breast cancer.