From: Postoperative chemoradiotherapy is superior to postoperative chemotherapy alone in squamous cell lung cancer patients with limited N2 lymph node metastasis
POCRT
pCT
Total
p
Pattern of failure, n (%)
0.047
Locoregional alone
2
8
10
Locoregional and distant
13
30
43
Distant alone
16
18
34
unknown
5
26
31
OS rates (%)
0.019
1- year
98.3
86.1
90.3
3- year
71.7
53.0
60.0
5- year
45.7
39.0
41.2