Lateral node metastasis in low rectal cancer as a hallmark to predict recurrence patterns
Eiji Shinto1, Hideyuki Ike2, Masaaki Ito3
1Department of Surgery, Self-Defense Forces Central Hospital, 1-2-24 Ikejiri, Setagaya, Tokyo, 154-8532, Japan. eiji-c@zf6.so-net.ne.jp.
International Journal of Clinical Oncology
|October 14, 2024
Summary
Lateral node positivity in rectal cancer indicates a higher risk of local and extra-regional recurrence. The number of involved lateral nodes predicts recurrence probability, guiding treatment strategies for better patient outcomes.
Area of Science:
- Oncology
- Surgical Oncology
- Rectal Cancer Research
Background:
- Lateral lymph node metastasis is a significant negative prognostic factor in rectal cancer.
- Current multidisciplinary treatments offer favorable outcomes, but specific neoadjuvant/adjuvant strategies based on recurrence patterns remain undefined.
- Understanding recurrence patterns in lateral node-positive low rectal cancer is crucial for optimizing treatment and follow-up.
Purpose of the Study:
- To elucidate the distinct recurrence patterns in lateral node-positive low rectal cancer.
- To correlate lateral and mesorectal lymph node status with specific recurrence sites and patient survival.
- To identify prognostic factors influencing recurrence in this patient cohort.
Main Methods:
- Retrospective analysis of 508 patients with stage III low rectal cancer who underwent lateral node dissection.
- Investigation of the impact of lateral and mesorectal lymph node status on site-specific recurrence rates.
- Evaluation of patient survival based on lymph node status and recurrence patterns.
Main Results:
- Lateral node positivity significantly impacts relapse-free survival in stage III low rectal cancer.
- Patients with positive lateral nodes show increased risks of overall recurrence, local recurrence, and extra-regional node recurrence.
- The number of involved lateral nodes is a significant prognostic factor, predicting local and extra-regional recurrence probabilities.
Conclusions:
- Lateral node-positive low rectal cancer is characterized by elevated rates of local and extra-regional node recurrence.
- The extent of lateral node involvement directly correlates with the likelihood of these recurrence patterns.
- Findings emphasize the importance of lateral node status in risk stratification and treatment planning for rectal cancer.
Keywords:
Lateral node metastasisLocal recurrencePrognosisRecurrence in extra-regional nodesStage III low rectal cancerMore Related Videos
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