Fig. 4From: Survival analysis and prognostic factors of the carcinoma of gallbladderThe cumulative survival of GBC patients based on tumor stages: Kaplan-Meier functions for the survival of GBC patients based on a clinical stages 1/2 and 3/4, b T1/T2 and T3/T4 stages, c N0 and N1/N2 stages, and d M0 and M1/M2 stages. The survival difference was measured by log-rank testBack to article page