Table 2 Primary tumor extent and nodal status

N0

N1

N2

N3

All

Tx

1

1

T1

1

1

2

T2

1

1

2

T3

4

4

T4

6

2

8

2

18

All

6

2

14

5

27

Sequential treatment cohort

N0

N1

N2

N3

All

Tx

2

2

1

1

1

2

2

1

1

3

6

1

7

4

4

13

2

19

All

4

21

6

31