From: Maintenance chemotherapy using S-1 following definitive chemoradiotherapy in patients with N3 nasopharyngeal carcinoma
Three years
All Patients
Chemoradiotherapy-non-MC Patients (n = 109)
Chemoradiotherapy-MC Patients (n = 21)
χ2
p value
OS
79.2%
76.3%
95.2%
2.999
0.046
DMFS
73.6%
70.3%
90.5%
4.111
0.043
LFFS
88.2%
84.9%
100%
2.851
0.091