BRCA2 and breast cancer: Carrier of BRCA2 c.9728C > T (p.Pro3243Leu) in exon 27 and carrier of BRCA2 c.6988A > G (p.Ile2330Val) in exon 13 were diagnosed with triple-negative BC at 23 and 24 years old, respectively, even though another carrier of c.6988A > G (p.Ile2330Val) was diagnosed with triple-negative BC at a later onset age (49 years old).