医学
肺癌
肺癌分期
肺
癌症
肿瘤科
放射科
内科学
纵隔镜检查
作者
Raymond U. Osarogiagbon,Paul Van Schil,Dorothy J. Giroux,Eric Lim,Paul Martin Putora,Yolande Lievens,Giuseppe Cardillo,Hong Kwan Kim,Gaetano Rocco,Andrea Billè,Helmut Prosch,Francisco Suárez Vásquez,Katherine K. Nishimura,Frank C. Detterbeck,Ramón Rami‐Porta,Valerie W. Rusch,Hisao Asamura,James Huang,NULL AUTHOR_ID
标识
DOI:10.1016/j.jtho.2022.12.009
摘要
Abstract
The status of lymph node involvement is a major component of the TNM staging system. The N categories for lung cancer have remained unchanged since the fourth edition of the TNM staging system, partly because of differences in nodal mapping nomenclature, partly because of insufficient details to verify possible alternative approaches for staging. In preparation for the rigorous analysis of the International Association for the Study of Lung Cancer database necessary for the ninth edition TNM staging system, members of the N-Descriptors Subcommittee of the International Association for the Study of Lung Cancer Staging and Prognostic Factors Committee reviewed the evidence for alternative approaches to categorizing the extent of lymph node involvement with lung cancer, which is currently based solely on the anatomical location of lymph node metastasis. We reviewed the literature focusing on NSCLC to stimulate dialogue and mutual understanding among subcommittee members engaged in developing the ninth edition TNM staging system for lung cancer, which has been proposed for adoption by the American Joint Committee on Cancer and Union for International Cancer Control in 2024. The discussion of the range of possible revision options for the N categories, including the pros and cons of counting lymph nodes, lymph node stations, or lymph node zones, also provides transparency to the process, explaining why certain options may be discarded, others deferred for future consideration. Finally, we provide a preliminary discussion of the future directions that the N-Descriptors Subcommittee might consider for the 10th edition and beyond.
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