ArticleIn vivo (Athens, Greece)
Prognosis and Risk Factors in Patients With Non-radical Circumferential Resection Margin After Rectal Cancer Surgery.
Article in In vivo (Athens, Greece). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Letter to the editor regarding "Impact of gross tumor morphology on the clinical outcomes of colon cancer: multicenter retrospective cohort study".International journal of colorectal disease · 2026Article
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4 authors.
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Abstract
BACKGROUND/
aimCircumferential resection margin (CRM) has been shown to be a strong predictor of risk of local recurrence (LR) and distant metastases (DM) in patients with rectal cancer treated with total mesorectal excision (TME). However, not all patients with a CRM of zero develop LR or DM. This study aimed to identify factors associated with disease-free survival (DFS) despite non-radical excision (CRM=0 mm). PATIENTS AND
methodsPatients surgically treated for adenocarcinoma of the rectum between 2005 and 2013 were identified through the Swedish ColoRectal Cancer Registry.
resultsOf 8,392 patients included in the study, 159 (1.8%) were found to have CRM 0 mm. The rates of LR (n=27; 17%) and DM (n=62; 39%) were high in the CRM 0 mm group; however, more than half of these patients developed neither (n=84; 52.8%). Stage II disease was associated with a higher DFS [odds ratio (OR)=2.15; 95% confidence interval (CI)=1.11-4.18] compared with stage III disease. Neoadjuvant chemotherapy was a negative prognostic factor of DFS (OR=0.47, 95% CI=0.23-0.97) independent of the stage of disease.
conclusionOver half of the patients with CRM 0 mm after rectal cancer surgery did not develop LR or DM. Lower stage of disease and no neoadjuvant chemotherapy were associated with a better DFS. These findings suggest that other biological or molecular factors may influence prognosis after non-radical excision, highlighting the need for further research to improve postoperative management and follow-up.
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