{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T09:11:46Z","timestamp":1790241106291,"version":"4.1.0"},"reference-count":12,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T00:00:00Z","timestamp":1759104000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T00:00:00Z","timestamp":1759104000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Case Reports"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Gallbladder cancer often presents a poor prognosis and can cause skip metastasis to the para\u2010aortic lymph nodes. Accurate diagnosis is essential for appropriate treatment. We present the case of an 86\u2010year\u2010old male patient with gallbladder cancer initially suspected to have para\u2010aortic lymph node metastasis. Intraoperative pathology of a para\u2010aortic mass revealed that it was a paraganglioma (PGL); both tumors were successfully resected. The patient was discharged on the ninth postoperative day without complications and remained recurrence\u2010free for 18\u2009months. The final diagnosis was gallbladder adenocarcinoma (pT1a(M)pN0pM0, pStage I) and para\u2010aortic PGL. Differentiating para\u2010aortic masses in gallbladder cancer is crucial. Preoperative evaluations, including positron emission tomography\u2010computed tomography and endoscopic ultrasound\u2010fine needle biopsy, can enhance diagnostic accuracy. This case underscores the importance of considering PGL as a differential diagnosis of a para\u2010aortic mass and the value of intraoperative pathology in guiding appropriate surgical interventions.<\/jats:p>","DOI":"10.1002\/ccr3.71066","type":"journal-article","created":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T03:31:32Z","timestamp":1759203092000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Gallbladder Cancer Concomitant With Para\u2010Aortic Paraganglioma: A Case Report"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5119-4982","authenticated-orcid":false,"given":"Hisashi","family":"Murakami","sequence":"first","affiliation":[{"name":"Department of Gastroenterological Surgery Toranomon Hospital  Minato\u2010Ku Tokyo 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