Table 3.

Cumulative risk of developing contralateral breast cancer by time after initial breast cancer diagnosis (excludes synchronous).

Genetic Variant	All Women			Post PV Report
	Years after Initial Breast Cancer	Cumulative Risk (%)	95% CI	Years after Initial Breast Cancer	Cumulative Risk (%)	95% CI
BRCA1	5	10.5	6.37–17.2	5	16.6	8.0–32.5
	10	32.3	24.0–42.6	10	16.6	8.0–32.5
	15	51.5	40.7–63.4	15	16.6	8.0–32.5
	20	56.6	44.8–69.1	20	16.6	8.0–32.5
BRCA2	5	7.2	3.5–14.6	5	2.0	0.3–13.5
	10	20.7	13.0–32.1	10	15.1	2.9–60.4
	15	40.9	28.3–56.4	15	15.1	2.9–60.4
	20	45.3	31.4–61.9	20	15.1	2.9–60.4
TP53	5	19.1	8.0–41.8	5	27.9	9.3–66.6
	10	53.1	29.6–80.6	10	56.8	20.5–95.3
	15	64.9	38.2–89.7	15	56.8	20.5–95.3
	20	82.4	49.9–98.8	20	56.8	20.5–95.3