Prognostic factors and patterns of locoregional failure after surgical resection in patients with cholangiocarcinoma without adjuvant radiation therapy: optimal field design for adjuvant radiation therapy

Locoergional recurrences following surgical resection for cholangiocarcinoma (CCA) cause significant morbidity and mortality. This retrospective analysis explores risk factors for local failures and maps locoregional recurrences in patients who underwent surgery without adjuvant radiation. The recurrence map provides valuable information for delineating optimal planning target volumes for adjuvant radiation.

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