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Lookup NU author(s): Professor Michael Griffin
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We report datasimple descriptions of patient characteristics, cancer categories, and non-risk-adjusted survivalfor patients with pathologically staged cancer of the esophagus and esophagogastric junction after resection or ablation with no preoperative therapy from the Worldwide Esophageal Cancer Collaboration (WECC). Thirty-three institutions from six continents submitted de-identified data using standard definitions: demographics, comorbidities, clinical cancer categories, and all-cause mortality from first management decision. Of 13,300 patients, 5,631 had squamous cell carcinoma, 7,558 adenocarcinoma, 85 adenosquamous carcinoma, and 26 undifferentiated carcinoma. Patients were older (62 years) men (80%) with normal body mass index (51%), little weight loss (1.8 kg), 0-2 ECOG performance status (83%), and a history of smoking (70%). Cancers were pT1 (24%), pT2 (15%), pT3 (50%), pN0 (52%), pM0 (93%), and pG2-G3 (78%); most involved distal esophagus (71%). Non-risk-adjusted survival for both squamous cell carcinoma and adenocarcinoma was monotonic and distinctive across pTNM. Survival was more distinctive for adenocarcinoma than squamous cell carcinoma when pT was ordered by pN. Survival for pTis-1 adenocarcinoma was better than for squamous cell carcinoma, although monotonic and distinctive for both. WECC pathologic staging data is improved over that of the 7th edition, with more patients studied and patient and cancer variables collected. These data will be the basis for the 8th edition cancer staging manuals following risk adjustment for patient, cancer, and treatment characteristics, and should direct 9th edition data collection. However, the role of pure pathologic staging as the principal point of reference for esophageal cancer staging is waning.
Author(s): Rice TW, Chen L-Q, Hofstetter WL, Smithers BM, Rusch VW, Wijnhoven BPL, Chen KL, Davies AR, D'Journo XB, Kesler KA, Luketich JD, Ferguson MK, Rasanen JV, van Hillegersberg R, Fang W, Durand L, Cecconello I, Allum WH, Cerfolio RJ, Pera M, Griffin SM, Burger R, Liu J-F, Allen MS, Law S, Watson TJ, Darling GE, Scott WJ, Duranceau A, Denlinger CE, Schipper PH, Lerut TEMR, Orringer MB, Ishwaran H, Apperson-Hansen C, DiPaola LM, Semple ME, Blackstone EH
Publication type: Article
Publication status: Published
Journal: Diseases of the Esophagus
Year: 2016
Volume: 29
Issue: 7
Pages: 724-733
Print publication date: 01/10/2016
Online publication date: 12/10/2016
Acceptance date: 04/06/2016
ISSN (print): 1120-8694
ISSN (electronic): 1442-2050
Publisher: John Wiley & Sons, Inc.
URL: http://dx.doi.org/10.1111/dote.12520
DOI: 10.1111/dote.12520
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