Fig. 4

Progression-free survival of the DP group and the PF group
DP: docetaxel plus cisplatin; PF: cisplatin plus 5-FU; PFS: progression-free survival
Progression-free survival of the DP group and the PF group
DP: docetaxel plus cisplatin; PF: cisplatin plus 5-FU; PFS: progression-free survival