marginally significantP =.05
Three-year OS was marginally significant in patients with stage I/II compared with patients with stage III (64.3% vs 19.4%; P =.05).
Three-year OS was marginally significant in patients with stage I/II compared with patients with stage III (64.3% vs 19.4%; P =.05).
The combined-modality treatment including chemotherapy-radiotherapy showed statistically significant improvement in RFS ( P =.012), while the improvement in OS did not reach statistical significance ( P =.12).