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To date, there are still controversies on whether the 253LN  need to be routinely cleaned. Using specific criteria, 347 patients who underwent radical resection for rectal cancer between April 2019 and July 2022 were selected for the study. Logistic regression was used to determine the likelihood that a patient may suffer 253LN metastasis, and a nomogram for 253LN metastasis subsequently developed. The c-index and calibration curve were used to evaluate precision and discrimination in the nomogram, and the appropriateness of the final nomogram for the clinical setting determined using decision curve analysis (DCA). 253LN metastases appeared in the pathological specimens of 29 (8.4%) of the selected patients. Logistic regression showed that preoperative parameters including serum carcinoembryonic antigen (CEA) value (\u2009&gt;\u20095\u00a0ng \/ ml, OR\u2009=\u20092.894, <jats:italic>P<\/jats:italic>\u2009=\u20090.023), distance from anal margin (&gt;\u20099\u00a0cm, OR\u2009=\u20092.406, <jats:italic>P<\/jats:italic>\u2009=\u20090.045) and degree of differentiation (poor, OR\u2009=\u20099.712, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001) were significantly associated with 253LN metastasis. A nomogram to predict 253LN metastasis in rectal cancer was developed and showed considerable discrimination and good precision (c-index\u2009=\u20090.750). Furthermore, DCA confirmed that the nomogram has some feasibility for the clinical environment. Clinicopathological and radiological patient data can be pivotal for making surgical decisions relating to 253LN metastasis. A nomogram was developed using this data, providing an objective method that can significantly improve prognoses in colorectal cancer.<\/jats:p>","DOI":"10.1007\/s13304-023-01748-5","type":"journal-article","created":{"date-parts":[[2024,1,21]],"date-time":"2024-01-21T14:02:13Z","timestamp":1705845733000},"page":"513-520","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["A nomogram for predicting lymph nodes metastasis at the inferior mesenteric artery in rectal cancer: a retrospective case\u2013control study"],"prefix":"10.1007","volume":"76","author":[{"given":"Chunhao","family":"Xu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiaoyi","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yunhuang","family":"Hu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kai","family":"Ye","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5147-292X","authenticated-orcid":false,"given":"Jianhua","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,1,21]]},"reference":[{"issue":"9","key":"1748_CR1","doi-asserted-by":"publisher","first-page":"998","DOI":"10.2174\/1389450121999201117115717","volume":"22","author":"F Baidoun","year":"2021","unstructured":"Baidoun F, Elshiwy K, Elkeraie Y, Merjaneh Z, Khoudari G, Sarmini M et al (2021) Colorectal cancer epidemiology: recent trends and impact on outcomes. 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Informed consent individual patients were waived because of the retrospective nature of the analysis.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}}]}}