| Age at diagnosis for first-degree relatives with breast cancer | Age at diagnosis for second-degree relatives with breast cancer | ||||||
---|---|---|---|---|---|---|---|---|
Cancer status | <40 years | 40–49 years | 50–59 years | 60 years or older | <40 years | 40–49 years | 50–59 years | 60 years or older |
No breast or ovarian cancer | 3/15 (20%) | 4/29 (14%) | 4/34 (12%) | 0/28 (0%) | 1/6 (17%) | 2/23 (9%) | 2/19 (11%) | 1/32 (3%) |
Breast cancer only | 3/6 (50%) | 7/23 (30%) | 7/21 (33%) | 5/30 (17%) | 3/8 (38%) | 4/16 (25%) | 3/24 (13%) | 5/52 (10%) |
Ovarian cancer only | 1/1 (100%) | 0/1 (0%) | 0/1 (0%) | 0/2 (0%) | 0/0 (-) | 0/2 (0%) | 2/2 (100%) | 1/3 (33%) |
Breast and ovarian cancer | 0/0 (-) | - | 1/1 (100%) | - | - | - | - | - |