Fig. 1 Comparison of survival rate of surgical and conservative treatment
One-year survival rate was 70% in the surgical group and significantly different from the 38% in the conservative group（ P＝0.04, Kaplan-Meier method）
Fig. 1 Comparison of survival rate of surgical and conservative treatment
One-year survival rate was 70% in the surgical group and significantly different from the 38% in the conservative group（ P＝0.04, Kaplan-Meier method）