Biliary drainage in palliative and curative intent European patients with hilar cholangiocarcinoma and malignant hilar obstruction: a retrospective single center analysis.

In a separate subgroups analysis where patients were grouped according to how soon after the final drainage procedure the minimal TSB determining CS was measured, we consistently observed a trend towards higher CS rates in curative patients, although most comparisons between the subgroups did not reach statistical significance.

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