ArticleAnnals of gastroenterological surgery2024
Oligo-like liver metastasis: A novel prognostic indicator to improve survival in pancreatic cancer.
Article in Annals of gastroenterological surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Oligometastatic disease in pancreatic cancer: is there a role for curative-intent surgery? A narrative review.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026Review
- Sustained Complete Remission after Radiofrequency Ablation for Liver Oligometastasis from Pancreatic Cancer despite Persistent Carbohydrate Antigen 19-9 Elevation: A Case Report.Surgical case reports · 2026Article
- An 8-Year Survivor after Three-Time Hepatectomies for Metachronous Pancreatic Adenocarcinoma Liver Metastases.Surgical case reports · 2026Article
- Pancreatic Cancer with Liver Oligometastases-Different Patterns of Disease Progression May Suggest Benefits of Surgical Resection.Journal of clinical medicine · 2025Article
- Long-Term Survival after Curative Resection for Postoperative Dissemination of Pancreatic Ductal Adenocarcinoma: A Case Report.Surgical case reports · 2025Article
- Oligo-like liver metastasis: A novel prognostic indicator to improve survival in pancreatic cancer.Annals of gastroenterological surgery · 2024Article
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Authors and funding
7 authors.
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Abstract
Purpose: Whether surgical intervention for patients with oligometastatic recurrence can improve their post-recurrent prognosis is unclear. In this study, we introduce a novel concept of oligometastasis in post-surgical pancreatic ductal adenocarcinoma (PDAC) patients with hepatic recurrence, which we call "oligo-like liver metastasis (OLLM)." Patients with OLLM have better post-recurrence prognosis and could therefore be eligible for surgical intervention. Methods: A total of 121 PDAC patients who underwent radical resection, and who had an initial and single-organ metastasis to the liver, were analyzed. Independent prognostic factors for overall survival after recurrence (OSAR) were examined, and patients with all of these factors were defined as OLLM. The clinicopathological features and post-recurrent prognosis of OLLM patients were evaluated. In addition, a detailed analysis using the oligo-score, which was based on the prognostic factors, was performed. Results: The prognostic analysis revealed that short recurrence-free interval (RFI) (<6 months), short stable disease interval (SDI) (≤3 months), and four or more recurrent tumors were independent poor prognostic factors. OLLM patients were defined as those with all three conditions: long RFI (≥6 months), long SDI (>3 months), and three or less recurrent tumors. OLLM patients had a significantly better prognosis for OSAR than non-OLLM patients (HR = 0.272, Conclusion: We recommend that OLLM should be used to predict which patients are most likely to experience better post-recurrent prognosis after surgery with curative intent.
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