Analysis of efficacy. (A) Forest of overall survival; (B) probability of being the best regimen based on overall survival; (C) forest of progression-free survival. A: CCRT; B: PF + CCRT; C: TP + CCRT; D: TPF + CCRT. PF, induction chemotherapy regimen of cisplatin, 5-fluorouracil; TP, induction chemotherapy regimen of docetaxel, cisplatin; TPF, induction chemotherapy regimen of docetaxel, cisplatin, 5-fluorouracil; CCRT, concurrent chemoradiotherapy.