From: Pattern of lateral neck metastases in N0 papillary thyroid carcinoma
Level
N0
III
4
Vb
IIa + III
3
Ib
2
IIa
IV
IIb + III
IIa + III + IV
IV + Vb
1
Ib + III + IV
IIa + III + Vb
IIb + IV + Vb
IIa + IIb + III + IV + Vb
Total
26