From: Patterns of cervical metastasis from carcinoma of the oral tongue
 | pN0 | pN1 | pN2a | pN2b | pN2c | pN3 | Total | Percentage |
---|---|---|---|---|---|---|---|---|
Level I Clearance* | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1.3 |
SOHND | 15 | 4 | 0 | 3 | 0 | 0 | 22 | 29.3 |
MND | 21 | 7 | 1 | 8 | 0 | 1 | 38 | 50.6 |
RND | 0 | 1 | 1 | 4 | 0 | 0 | 6 | 8 |
B/L SOHND | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1.3 |
I/L MND C/L SOHND | 2 | 0 | 0 | 1 | 0 | 0 | 3 | 4 |
B/L MND | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 2.6 |
I/L MND C/L SOHND | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1.3 |