Contralateral Breast Cancer
0
10
20
30
40
50
Yale 10 yrs.
Rotterdam 5 yrs.
Multicentric 10 yrs.
Curie 10 yrs.
Memorial/McGill 10 yrs.
%
BRCA 1/2
Controls
p=0.001 P<0.001 P<0.0001 P<0.0001 P<0.0001