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(a)

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Figure 1: (a) Cancer-specific survival for overall patients with combined hepatocellular and cholangiocarcinoma of the liver (cHCC-CC). (b) Cancer-specific survival rate of patients according to SEER stage. $P<.0001$ for Localized versus Regional versus Distant stage. (c) Cancer-specific survival rate of patients with localized disease according to treatment. $P<.0001$ for transplantation versus resection versus other surgery${}^{*}$ versus no surgery. (d) Cancer-specific survival rate of patients according to year of diagnosis. ${}^{*}$Other surgery: local surgery plus unknown surgery.