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LYMPH NODE METASTASIS AND RELATED FACTORS IN PATIENTS WITH RECTAL CANCER UNDERGOING CURATIVE SURGERY AT BACH MAI HOSPITAL
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Abstract
Objective: To identify the rate of lymph node metastasis and assess the correlation between lymph node status and various factors in patients with rectal cancer undergoing curative surgery.
Subjects and Methods: This retrospective descriptive study involved 111 patients diagnosed with rectal cancer who underwent curative surgery at Bach Mai Hospital from May 2023 to August 2024. Results: The most common age group was 50-69 years old (57.7%), with a mean age of 65.04±11.1 years old and a male/female ratio of 1.52. The predominant histological type was adenocarcinoma (95.5%), with high differentiation (99.1%). The rate of regional lymph node metastasis was 36.9%. There was a significant correlation between tumor invasion and the rate of lymph node metastasis, with increased rates observed in T3 and T4 tumors, yielding a statistically significant difference (p=0.028). No statistically significant differences were found regarding lymph node metastasis in relation to age, tumor location, size, histopathological type, differentiation, and tumor site. Conclusion: The rate of regional lymph node metastasis in rectal cancer patients undergoing curative surgery was 36.9%. Tumor invasion depth was closely associated with the rate of lymph node metastasis in rectal cancer.
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Keywords
Lymph node metastasis, rectal cancer
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