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There is discrepancy between various biliary societies regarding extent of regional lymph nodes of gallbladder. Some consider station 13 as regional nodes, whereas others consider it as distant metastatic node. This is a retrospective analysis of disease-free survival of stage IIIB and IVB-M0 patients in gall bladder cancer with positive station 13 lymph node. Electronic medical records of patients were used to retrieve the data. The mean and median disease-free survival of gallbladder carcinoma patients with station 13 lymph-node positivity is 16.2\u00a0months (95% CI 11.57\u201320.85\u00a0months) and 12\u00a0months (95% CI 9.57\u201314.43\u00a0months), respectively. Disease-free survival of Stage IIIB and IVB-M0 gallbladder carcinoma patients with station 13 lymph-node positivity is better than overall survival of stage IVB-M1 patients and supports the inclusion of station 13 lymph node as regional lymph-nodal basin of gall bladder carcinoma. This study paves the way for a large prospective study to consider station 13 lymph node as regional lymph node in gallbladder cancer.<\/jats:p>","DOI":"10.1007\/s13304-025-02237-7","type":"journal-article","created":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T17:20:53Z","timestamp":1747156853000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Conundrum of station 13 lymph nodes in Gallbladder Carcinoma: Retrospective tryst with a forgotten entity"],"prefix":"10.1007","author":[{"given":"Mayank","family":"Tripathi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8077-1299","authenticated-orcid":false,"given":"Kumar","family":"Vineet","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nitesh","family":"Joshi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ankita","family":"Pal","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tejas","family":"Vispute","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akhil","family":"Kapoor","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paramita","family":"Paul","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2025,5,13]]},"reference":[{"issue":"3","key":"2237_CR1","doi-asserted-by":"publisher","first-page":"209","DOI":"10.3322\/caac.21660","volume":"71","author":"H Sung","year":"2021","unstructured":"Sung H, Ferlay J, Siegel RL et al (2021) Global Cancer Statistics 2020: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. 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Authors declare that no AI generated assistance was taken for preparation of manuscript. All authors declare no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"This is a retrospective exploration of prospectively maintained data from a high-volume cancer center. This study included all consecutive patients over 18 years of age who underwent surgery for GC at our institute between May 1, 2018, and December 31, 2023. Data were retrieved from electronic medical records; and a waiver of consent was obtained, given that all information was collected retrospectively. Ethical clearance for the study was approved by the institutional ethics committee.\u00a0Declaration of Helsinki was followed throughout study.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical Standards, Research involving human participants and\/or animals, and Informed consent"}}]}}