Tumor deposits in gastric cancer cannot be regarded as metastatic lymph nodes: A single-center retrospective study
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View abstract on PubMed
Summary
This summary is machine-generated.Tumor deposits (TDs) in gastric cancer (GC) improve staging accuracy when considered regional lymph nodes. However, this reclassification does not fully capture the true prognostic impact of TDs on patient outcomes.
Area Of Science
- Oncology
- Surgical Pathology
- Cancer Staging
Background
- The prognostic significance of tumor deposits (TDs) in gastric cancer (GC) is debated.
- This study evaluates if TDs can be equated to regional metastatic lymph nodes for improved prognostic assessment.
Purpose Of The Study
- To determine if classifying tumor deposits (TDs) as regional metastatic lymph nodes enhances prognostic accuracy in gastric cancer (GC) patients.
- To investigate the prognostic value of TDs beyond their role in disease staging.
Main Methods
- Retrospective analysis of 4972 gastric cancer patients undergoing radical gastrectomy (2012-2021).
- Patients categorized into TDs-negative and TDs-positive groups.
- Comparison of TNM staging accuracy and prognostic value with and without TDs reclassification.
Main Results
- 575 patients (11.56%) had TDs; 524 were matched with TDs-negative controls.
- Classifying TDs as regional metastatic lymph nodes improved TNM staging accuracy (χ² from 58.234 to 72.269, C-index from 0.593 to 0.609).
- Despite improved staging, TDs-positive subgroups still showed significantly worse prognosis (P < 0.001).
Conclusions
- Reclassifying tumor deposits (TDs) as regional metastatic lymph nodes enhances disease staging accuracy in gastric cancer (GC).
- This reclassification does not fully represent the true prognostic implications of TDs.
- Further research is needed to fully understand the prognostic value of TDs in GC.
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