text_1: BRCA 1 mutation carriers' risk of breast and ovarian cancer depends on where the mutation is located.
text_2: We also identified 3 OCCRs: the first (OCCR1) spanned c.3249 to c.5681 that was adjacent to c.5946delT (6174delT; RHR = 0.51; 95% CI, 0.44-0.60; P = 6 × 10(-17)).