Table 2 MRI correctly assigned the N stage in 45/48 cases: in 2 patients MRI attributed a N1 stage while the histology did not confirm nodal disease; in 1 case MRI revealed no evidence of nodal involvement while histology reported N1

MR

N0

22

1

0

0

23

N1

2

13

0

0

15

N2

0

0

10

0

10

N3

0

0

0

0

0

TOT

24

14

10

0

45/ 48