Pathological features of lymph nodes around inferior mesenteric artery in rectal cancer: a retrospective study

Abstract Objective This study aimed to explore the pathological characteristics of lymph nodes around inferior mesenteric artery in rectal cancer and its risk factors impact on tumor staging. Methods 485 patients underwent proctectomy surgery were collected this study. Clinical features patients, including gender, age, BMI, size, type, differentiation, nerve invasion, nodes, marker, examinations, analyzed. Results A total cases included There 29 with IMA-LN metastasis; metastasis rate was 5.98% (29/485). Positive IMA-LNs associated distance from anal verge, CEA, T stage, N stage. Multivariate analysis showed that CEA level, stage independent for positive IMA-LNs. Conclusion Distance No skip occurred We should choose appropriate surgical methods achieve better oncological results reduce incidence postoperative complications.