Surgery of the neck | YES/NO
Date of surgery of the neck | DATE
Pathological N-stage (only in postop setting) | LIST
Code | AJCC 7th Edition | AJCC 8th Edition
0 | N0 | N0
1 | N1 | N1
2 | N2a | N2a
3 | N2b | N2b
4 | N2c | N2c
5 | N3 | N3
6 | N2 | N2
9 | NX | NX
Number of lymph node metastases | VALUE
Number of lymph node metastases checked at pathology | VALUE
Number of lymph node metastases with ECS | VALUE
Surgery of the neck | YES/NO Date of surgery of the neck | DATE Pathological N-stage (only in postop setting) | LIST Code | AJCC 7th Edition | AJCC 8th Edition 0 | N0 | N0 1 | N1 | N1 2 | N2a | N2a 3 | N2b | N2b 4 | N2c | N2c 5 | N3 | N3 6 | N2 | N2 9 | NX | NX Number of lymph node metastases | VALUE Number of lymph node metastases checked at pathology | VALUE Number of lymph node metastases with ECS | VALUE