{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T03:00:30Z","timestamp":1773284430650,"version":"3.50.1"},"reference-count":25,"publisher":"Termedia Sp. z.o.o.","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arch Med Sci"],"published-print":{"date-parts":[[2021,5,6]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Worse survival in upper tract urothelial carcinoma (UTUC) in the presence of a tumour in the ureter vs. pelvicalyceal tumours is reported in some studies; however, the definition of ureteral involvement (UI) varies across studies. We systematically evaluated evidence regarding the prognostic role of UI in overall and cancer-specific survival of patients with UTUC.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>A systematic search of PubMed, Scopus and Web of Knowledge was performed in March 2018.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The results were presented as a comparison between ureteral vs. pelvicalyceal tumours. A total of 14,895 patients were identified. Cumulative analyses indicated that UI worsens cancer-specific survival (CSS) and overall survival (OS), with a pooled HR of 1.52 (p &lt; 0.001) and 1.39 (p = 0.004), respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our meta-analysis identified UI in UTUC as an adverse prognostic factor.<\/jats:p><\/jats:sec>","DOI":"10.5114\/aoms.2019.89893","type":"journal-article","created":{"date-parts":[[2019,12,3]],"date-time":"2019-12-03T08:46:44Z","timestamp":1575362804000},"page":"603-612","source":"Crossref","is-referenced-by-count":11,"title":["Survival differences of patients with ureteral versus pelvicalyceal tumours: a systematic review and meta-analysis"],"prefix":"10.5114","volume":"17","author":[{"given":"Krystian","family":"Kaczmarek","sequence":"first","affiliation":[{"name":"Department of Urology and Urological Oncology, Pomeranian Medical University, Szczecin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Artur","family":"Lemi\u0144ski","sequence":"additional","affiliation":[{"name":"Department of Urology and Urological Oncology, Pomeranian Medical University, Szczecin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adam","family":"Go\u0142\u0105b","sequence":"additional","affiliation":[{"name":"Department of Urology and Urological Oncology, Pomeranian Medical University, Szczecin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcin","family":"S\u0142ojewski","sequence":"additional","affiliation":[{"name":"Department of Urology and Urological Oncology, Pomeranian Medical University, Szczecin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"3061","published-online":{"date-parts":[[2021,5,6]]},"reference":[{"key":"ref-518020","first-page":"41","article-title":"Obstructive renal injury: from fluid mechanics to molecular cell biology","volume":"22","author":"Ucero AC","year":"2010","unstructured":"Ucero AC, Gon\u00e7alves S, Benito-Martin A, et al. 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