From: Risk factor analysis for predicting cervical lymph node metastasis in papillary thyroid carcinoma: a study of 966 patients
Tumor location
Skip metastasis
Metastasis rate
χ 2
P value
No
Yes
11.124
0.021
Upper 1/3 of the lobe
35
22
38.6%
Middle 1/3 of the lobe
18
2
10.0%
Lower 1/3 of the lobe
21
8
27.6%
Isthmus
9
4
30.8%
Whole
11
0
0%