Although PD-L1 positivity was associated with numerically favorable OS and PFS, the associations did not reach statistical significance in multivariable Cox analyses (OS: adjusted HR 0.70, p = 0.221; PFS: adjusted HR 0.61, p = 0.063).
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Efficacy and safety of immune checkpoint inhibitors in patients with high microsatellite instability/mismatch repair-deficient advanced cholangiocarcinoma: A propensity score-matched study.
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