From: The Hannover experience: Surgical treatment of tongue cancer - A clinical retrospective evaluation over a 30 years period
group
N-stage
n
%
pN0
150
48,5
pN1
57
18,4
surgical treatment
pN2
46
14,9
(n = 309)
pN3
1
0,3
pNx
55
17,8
total
309
100,0
cN0
0
0,0
non-surgical treatment
cN1
8
25,0
(n = 32)
cN2
13
40,6
cN3
3,1
cNx
10
31,3
32