Five Koreans with breast cancers have also been reported to have had DH BRCA mutations, including BRCA1: c.1504_1508del; p.(Leu502fs), c.3627dup; p.(Glu1210fs), c.390C>A; p.(Tyr130Ter), c.4981G>T; p.(Glu1661Ter), and c.5030_5033del; p.(Thr1677fs) and BRCA2: c.2798_2799del; p.(Thr933fs), c.6724_6725del; p.(Asp2242fs), c.3018del; p.(Gly1007fs), c.5946_5949del; p.(Ser1982fs), and c.1399A>T; p.(Lys467Ter) [17,18]. Here, BRCA1 is linked to breast cancer.