Neck Dissection and Chemoradiation
Regional Failure
N-stage
No regional
recurrence
Regional
N0
101
11 (10%)
N1
54
3 (5%)
N2a
20
3 (13%)
N2b
84
15 (15%)
N2c
68
20 (23%)
N3
15
6 (29%)
Total
342
58 (15%)