Fig. 1From: Phase II study of oxaliplatin combined with S-1 and leucovorin (SOL) for Chinese patients with metastatic colorectal cancerKaplan-Meier curves of progression-free survival and overall survival for 40 Chinese patients with metastatic colorectal cancer. a The estimated progression-free survival was 7.0 months (95% confidence interval [CI] 6.0–10.6 months). b The estimated overall survival was 22.2 months (95% CI 15.1–29.3 months)Back to article page