From: Correlation between the perineural invasion and neck metastasis in patients with laryngeal carcinoma: a cross sectional study
T Staging
P value
T1
T2
T3
T4
N
%
PNI
+ ve
1
16.7%
20.0%
3
42.9%
25.0%
0.796
-ve
5
83.3%
4
80.0%
57.1%
9
75.0%