From: Propensity score matching analysis of a phase II study on simultaneous modulated accelerated radiation therapy using helical tomotherapy for nasopharyngeal carcinomas
Stage
P67.5
P70
N0
N1
N2
N3
Total
T1
7
17
15
2
41
8
19
4
46
T2
5
14
25
48
6
18
3
T3
12
34
1
T4
16
0
11
27
21
50
68
9
148
22
51
65
10