Fig. 2From: Phase 2 study of lenvatinib monotherapy as second-line treatment in unresectable biliary tract cancer: primary analysis resultsKaplan–Meier plot of OS. a17 Deaths occurred in this study; 2 deaths occurred within 30 days of administration of the last dose and 15 deaths occurred > 30 days after administration of the last dose. CI, confidence interval; OS, overall survivalBack to article page