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Title
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Completeness of resection and long-term survival of patients undergoing resection for pathologic T3 NSCLC : an international association for the study of lung cancer analysis
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Author
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Institution/Organisation
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Members of the International Association for the Study of Lung Cancer Staging and Prognostic Factors Committee, Advisory Boards, and Participating Institutions for the Eight Lung Cancer TNM Edition
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Abstract
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| Introduction Currently, tumors with different histopathologic characteristics and oncologic outcomes comprise the T3 category of the eight edition TNM classification for lung cancers. To better understand the T3 category, we evaluated completeness of resection and long-term survival in patients undergoing resection for T3 NSCLC. Methods The International Association for the Study of Lung Cancer 1999 to 2010 database was queried for patients with pathologic T3N0M0 NSCLC who underwent lobectomy or pneumonectomy. The primary outcome evaluated was overall survival (OS) stratified by T3 descriptors and completeness of resection. Results Of 1448 patients with T3N0M0 tumors, 1187 (82.0%) had a single descriptor defining them as T3. T3 tumors with chest wall infiltration (CWI) or parietal pleura infiltration (PL3) had the highest rates of incomplete resection (9.8% and 8.4%, respectively), and those classified as T3 by size only had the lowest rate of incomplete resection (2.9%). Individual T3 descriptors were associated with significant differences in OS (p = 0.005). When tumors with similar survival and complete resection rates were grouped, patients with T3 tumors characterized by size or the presence of a separate nodule (SN) in the same lobe had better 5-year OS than patients with tumors characterized by PL3 or CWI (size/SN 60% versus CWI/PL3 53%, p = 0.017) independent of completeness of resection. Conclusions Significant differences in 5-year OS were associated with size, SN, PL3, or CWI T3 descriptors. Subdividing pathologic T3N0M0 tumors according to the presence or absence of CWI or PL3 may increase the prognostic accuracy of tumor staging. |
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Language
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English
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Source (journal)
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Journal of thoracic oncology / International Association for the Study of Lung Cancer [Aurora, Colo.] - Hagerstown, Md, 2006, currens
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Publication
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Hagerstown, Md
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Lippincott Williams & Wilkins
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2024
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ISSN
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1556-0864
[print]
1556-1380
[online]
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DOI
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10.1016/J.JTHO.2023.09.277
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Volume/pages
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19
:1
(2024)
, p. 141-152
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ISI
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001158639200001
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Pubmed ID
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37717854
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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