{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T16:34:18Z","timestamp":1792946058399,"version":"4.5.0"},"reference-count":8,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T00:00:00Z","timestamp":1786406400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Urology Case Reports"],"published-print":{"date-parts":[[2026,11]]},"DOI":"10.1016\/j.eucr.2026.103571","type":"journal-article","created":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T23:49:44Z","timestamp":1786492184000},"page":"103571","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"special_numbering":"C","title":["A case report of a rare retroperitoneal sarcoma in an adolescent"],"prefix":"10.1016","volume":"69","author":[{"given":"Xusong","family":"Pang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feiyu","family":"Yin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sinan","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhaojie","family":"Kang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mei","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junpeng","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kun","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Longguo","family":"Dai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haiyang","family":"Jiang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chongjian","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ying","family":"Bi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Bai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"11","key":"10.1016\/j.eucr.2026.103571_bib1","doi-asserted-by":"crossref","first-page":"1778","DOI":"10.2106\/00004623-200111000-00036","article-title":"Enzinger and Weiss's soft tissue tumors","volume":"83","author":"Mindell","year":"2001","journal-title":"J Bone Joint Surg Am"},{"issue":"12","key":"10.1016\/j.eucr.2026.103571_bib2","doi-asserted-by":"crossref","first-page":"1604","DOI":"10.6004\/jnccn.2020.0058","article-title":"NCCN Guidelines insights: soft tissue sarcoma, version 1.2021","volume":"18","author":"von Mehren","year":"2020","journal-title":"J Natl Compr Canc New"},{"issue":"3","key":"10.1016\/j.eucr.2026.103571_bib3","doi-asserted-by":"crossref","first-page":"593","DOI":"10.1097\/SLA.0000000000001149","article-title":"Histology-based classification predicts pattern of recurrence and improves risk stratification in primary retroperitoneal sarcoma","volume":"263","author":"Tan","year":"2016","journal-title":"Ann Surg"},{"issue":"1","key":"10.1016\/j.eucr.2026.103571_bib4","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1200\/JCO.2008.18.0802","article-title":"Primary retroperitoneal sarcomas: a multivariate analysis of surgical factors associated with local control","volume":"27","author":"Bonvalot","year":"2008","journal-title":"J Clin Oncol"},{"issue":"1","key":"10.1016\/j.eucr.2026.103571_bib5","doi-asserted-by":"crossref","first-page":"24","DOI":"10.1200\/JCO.2008.17.8871","article-title":"Aggressive surgical policies in a retrospectively reviewed single-institution case series of retroperitoneal soft tissue sarcoma patients","volume":"27","author":"Gronchi","year":"2008","journal-title":"J Clin Oncol"},{"issue":"5","key":"10.1016\/j.eucr.2026.103571_bib6","doi-asserted-by":"crossref","first-page":"1002","DOI":"10.1097\/SLA.0000000000001447","article-title":"Variability in patterns of recurrence after resection of primary retroperitoneal sarcoma (RPS): a report on 1007 patients from the multi-institutional collaborative RPS working group","volume":"263","author":"Gronchi","year":"2016","journal-title":"Ann Surg"},{"issue":"2","key":"10.1016\/j.eucr.2026.103571_bib7","doi-asserted-by":"crossref","first-page":"1350","DOI":"10.1002\/cam4.5015","article-title":"CINSARC in high-risk soft tissue sarcoma patients treated with neoadjuvant chemotherapy: results from the ISG-STS 1001 study","volume":"12","author":"Frezza","year":"2022","journal-title":"Cancer Med"},{"issue":"1","key":"10.1016\/j.eucr.2026.103571_bib8","doi-asserted-by":"crossref","first-page":"14","DOI":"10.2478\/raon-2020-0012","article-title":"Perioperative radiotherapy versus surgery alone for retroperitoneal sarcomas: a systematic review and meta-analysis","volume":"54","author":"Diamantis","year":"2020","journal-title":"Radiol Oncol"}],"container-title":["Urology Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2214442026002342?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2214442026002342?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T15:49:07Z","timestamp":1792943347000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2214442026002342"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,11]]},"references-count":8,"alternative-id":["S2214442026002342"],"URL":"https:\/\/doi.org\/10.1016\/j.eucr.2026.103571","relation":{},"ISSN":["2214-4420"],"issn-type":[{"value":"2214-4420","type":"print"}],"subject":[],"published":{"date-parts":[[2026,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"A case report of a rare retroperitoneal sarcoma in an adolescent","name":"articletitle","label":"Article Title"},{"value":"Urology Case Reports","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.eucr.2026.103571","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 Published by Elsevier Inc.","name":"copyright","label":"Copyright"}],"article-number":"103571"}}