Background And Objectives: Interaortocaval or para-aortic lymph node (IACLN) metastasis in gall bladder cancer (GBC) is usually a contraindication to curative resection with a prognosis similar to liver or peritoneal metastases. However, few authors have reported survival similar to regional lymph node (RLN) positive disease after curative resection in these patients. This study aims to analyse the role of curative surgery in such cases.

Methods: Data of all patients operated for GBC from 2012 to 2019 was retrieved. Survival of the IACLN- and RLN-positive patients was compared and factors associated with recurrence and survival were analysed.

Results: Patients were divided in RLN-positive (n = 47) and IACLN-positive (n = 17) group. At a median follow-up of 19.7 months, median disease-free survival (18 vs 13 months) and median overall survival (27 vs 20 months) were inferior (p = 0.06) in IACLN group. But it was higher than the patients who received only palliative therapy (median OS, 14 months). Lack of adjuvant therapy was a significant factor for disease recurrence.

Conclusion: Selected cases of GBC with IACLN metastases can achieve meaningful survival after curative resection and adjuvant therapy. Survival was inferior to RLN-positive cases but it was higher than the patients who received only palliative chemotherapy. This concept needs further evaluation in a prospective study with larger number of patients.

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http://dx.doi.org/10.1007/s12029-023-00914-7DOI Listing

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