{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,12]],"date-time":"2025-12-12T13:34:19Z","timestamp":1765546459446,"version":"3.37.3"},"reference-count":28,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2019,3,28]],"date-time":"2019-03-28T00:00:00Z","timestamp":1553731200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Surgical Oncology"],"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study aimed to compare the predictive ability between the Masaoka\u2010Koga (M\u2010K) staging system and the 8th TNM staging system for the recurrence of thymic epithelial tumors (TETs). In addition, a nomogram was developed on the basis of the proposed TNM classification to predict individual recurrence rate.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective study was performed on 445 patients who underwent complete resection\u00a0(R0) of TETs between January 2000 and February 2013. Concordance index (C\u2010index) was used as a statistical indicator to quantify the prediction power of the prediction models.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In multivariate analysis, tumor stage and WHO classification were independent recurrence factors in a predictive model on the basis of M\u2010K and TNM stage. The TNM model showed higher C\u2010index than the M\u2010K model (0.837 vs 0.817). The nomogram, on the basis of the TNM model, revealed a highly predictive performance, with a bootstrap\u2010corrected C\u2010index of 0.85 (95% CI, 0.76 to 0.93).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>A predictive model based on the 8th TNM stage was slightly better than that based on M\u2010K stage with respect to recurrence after R0 of TETs. The proposed nomogram could be applied to estimate the individual recurrence rate and make decisions for proper surveillance.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jso.25462","type":"journal-article","created":{"date-parts":[[2019,3,28]],"date-time":"2019-03-28T13:07:52Z","timestamp":1553778472000},"page":"1161-1169","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["A nomogram for predicting recurrence after complete resection for thymic epithelial tumors based on the TNM\u00a0classification: A multi\u2010institutional retrospective analysis"],"prefix":"10.1002","volume":"119","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5364-5548","authenticated-orcid":false,"given":"Jae Kwang","family":"Yun","sequence":"first","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery Asan Medical Center, Ulsan University College of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Geun Dong","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery Asan Medical Center, Ulsan University College of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyeong Ryul","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery Asan Medical Center, Ulsan University College of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dong Kwan","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery Asan Medical Center, Ulsan University College of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jae Il","family":"Zo","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Young Mog","family":"Shim","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chang Hyun","family":"Kang","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery Seoul National University Hospital, Seoul National University College of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Young Tae","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery Seoul National University Hospital, Seoul National University College of Medicine Seoul Republic of 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