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Genomic characterized alterations among patients with biliary tract cancers. A, Frequency of genomic alterations in ctDNA sequencing (n = 71). B, Frequency of genomic alterations in tissue‐DNA sequencing (genes altered in ≥3 patients were only shown; n = 90). C, Association between ctDNA and tissue‐DNA in commonly altered genes among patients whose ctDNA and tissue‐DNA were both analyzed (n = 40)
