Among relevant prognosis factors in OS included in the primary analysis (HALN positivity, tumoral size, perineural and vascular invasion, resection margins, LNRR, and HALN compromise with adjuvant therapy), the log-rank test showed statistical relationship as independent factors of vascular invasion, LNRR and the positivity of HALN Node in patients that receive adjuvant therapy; nonetheless, in Cox proportional analysis, HALN node positivity alone, failed to reach statistical significance in relationship with OS, however, vascular invasion, LNRR, and HALN in patients with adjuvant therapy show statistical relationship with overall survival increasing the risk of mortality in 5.2, 9.67, and 4.5 times respectively.
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Hepatic artery lymph node relevance in periampullary tumors: A retrospective analysis of survival outcomes.
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