Figure 2
From: Prognostic factors in patients with intrahepatic cholangiocarcinoma

Overall survival (OS; upper left: unmatched cohort; upper right: matched cohort) and cancer-specific survival (CSS; lower left: unmatched cohort; lower right: matched cohort). The OS rates at 1-, 3-, 5-year in the surgery and the no surgery groups were 72.4%, 44.0%, 36.4% and 48.3%, 26.0%, 23.7%, respectively (matched cohort). Solid line: surgery group; dotted line: no surgery group.