Initial Biliary Drainage in Unresectable Bismuth Type III Malignant Hilar Obstruction: Comparative Effectiveness of ERCP and PTBD According to Drainage Adequacy in a Retrospective Two-Center Study.

J Clin Med · 2026 · PMC13258497 · PMID 42279008

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did not reach statistical significanceno p-value reported

Although bilateral drainage was numerically more frequent in the PTBD group, this difference did not reach statistical significance.

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