Histological staging

N stage

pN0 (n = 49)

pN1 (n = 30)

pN2 (n = 14)

pN3 (n = 15)

Accuracy %

Sensitivity %

Specificity %

CT N0

27

7

5

-

50 (54/108)

55.1 (27/49)

45.8 (27/59)

CT N1

10

13

3

5

67.6 (73/108)

43.3 (13/30)

76.9 (60/78)

CT N2

10

7

6

3

74.1 (80/108)

42.9 (6/14)

78.7 (74/94)

CT N3

2

3

-

7

88 (95/108)

46.7 (7/15)

94.6 (88/93)