Impact of Primary Tumor Resection on Liver Metastases Outcomes
Author Information
Author(s): Liu Lin-Lin MD, Lin Yu-Kun MD, Xiang Zuo-Lin MD, PhD
Primary Institution: Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
Hypothesis
Can primary tumor resection improve survival outcomes in patients with liver metastases from colorectal, pancreatic, gastric, and breast cancers?
Conclusion
Primary tumor resection significantly improves overall and cancer-specific survival in patients with liver metastases from colorectal, pancreatic, and breast cancers.
Supporting Evidence
- Patients with colorectal cancer liver metastases showed a significant survival benefit from primary tumor resection.
- Logistic regression identified age, primary site, and histology as factors affecting surgical benefit in colorectal cancer patients.
- Nomogram developed to predict surgical benefit for colorectal cancer liver metastases patients.
Takeaway
Removing the main tumor can help people with certain types of cancer live longer, even if the cancer has spread to the liver.
Methodology
Retrospective review of patients with liver metastases from the SEER database, using propensity score matching to compare surgical and non-surgical groups.
Potential Biases
Potential selection bias due to the retrospective nature and lack of detailed treatment data.
Limitations
The study is retrospective and lacks detailed treatment information, which may introduce bias.
Participant Demographics
Patients diagnosed with colorectal, pancreatic, gastric, and breast cancers with liver metastases between 2004 and 2015.
Statistical Information
P-Value
<0.001
Confidence Interval
95% CI for median OS and CSS reported in the results.
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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