Figure 2

CA 19-9 as a predictor of treatment response: Kaplan–Meier curves for OS according to decline in CA 19-9 value (⩾ and <25% compared with baseline) during treatment with (A) Gem+A and (B) Gem alone.
CA 19-9 as a predictor of treatment response: Kaplan–Meier curves for OS according to decline in CA 19-9 value (⩾ and <25% compared with baseline) during treatment with (A) Gem+A and (B) Gem alone.