Table 9 Size (mean, median and range in millimeters) and rank of lesions undetected by US, Mx and re-reviewed mammograms

Index lesion

23.8

15.8

14.7

15

11.5

11

2 – 70

3 – 52

3 – 52

2^nd

8.8

8.4

8.4

6

6

6.4

0.1 – 39

0.1 – 39

0.1 – 39

3^rd

6.6

6.6

6.1

5

5

4.5

0.1 – 20

0.1 – 20

0.1 – 20

4^th

6.2

6.8

6.8

4

4

4

0.2 – 39

0.1 – 39

0.1 – 39

≥ 5^th

6.3

5.7

5.7

3

2.5

2.5

0.1 – 25

0.1 – 25

0.1 – 25