Table 1. Contralateral cancer MAM/MRI detection rate versus patient age and tumor staging.

Percentages are reported as column percentages. Category B (scattered fibroglandular densities) was considered non-dense, and Categories C (heterogenous dense) and D (extremely dense) were grouped as dense.

MAM: mammography 

	Detected by MAM	Not detected by MAM	Not detected by MAM + detected by MRI	Not detected by MAM + not detected by MRI
Average age (years) (Mean±SD)	65.7 ± 15.6	59.6 ± 11.3	62.9 ± 9.9	51.8 ± 11.4
Tis (N, %)	-	7 (41.2)	4 (33.3)	3 (60.0)
T1a (N, %)	-	4 (23.5)	3 (25.0)	1 (20.0)
T1b (N, %)	-	3 (17.6)	3 (25.0)	0 (0.0)
T1c (N, %)	-	2 (11.8)	2 (16.7)	0 (0.0)
T1mi (N, %)	-	1 (5.9)	0 (0.0)	1 (20.0)