Prognostic Significance of Circumferential Resection Margin Involvement in Oesophageal Cancer
Author Information
Author(s): O A Khan, J J Fitzgerald, I Soomro, F D Beggs, W E Morgan, J P Duffy
Primary Institution: Nottingham City Hospital
Hypothesis
Does microscopic tumour involvement at the circumferential resection margin affect long-term postoperative survival following oesophagectomy?
Conclusion
The presence of microscopic tumour at the circumferential resection margin does not significantly impact long-term survival after oesophagectomy for oesophageal cancer.
Supporting Evidence
- 67 out of 329 specimens had microscopic tumour at the circumferential resection margin.
- 5-year survival was 22% for CRM-positive and 29% for CRM-negative patients.
- Statistical analysis showed no significant difference in survival rates between CRM-positive and CRM-negative groups.
Takeaway
This study found that having cancer cells at the edge of the removed tissue during surgery doesn't really change how long patients live after the operation.
Methodology
A retrospective review of 431 patients who underwent oesophagectomy, with exclusions leading to analysis of 329 cases.
Potential Biases
Potential bias due to the retrospective nature and exclusion criteria.
Limitations
The study is retrospective and may not account for all variables affecting survival.
Participant Demographics
218 males and 111 females, mean age 65 years (range 28–84).
Statistical Information
P-Value
p=0.19
Confidence Interval
95% CI 12–32%
Statistical Significance
p=0.19
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website