Prognostic impact of node involvement pattern in pulmonary pN1 squamous cell carcinoma patients

Journal of Thoracic Oncology : Official Publication of the International Association for the Study of Lung Cancer
Masayuki NakaoKanji Nagai

Abstract

Lymph node involvement is one of the most important prognostic factors in cancer patients. It is categorized based on the anatomic extent, but differences in node involvement patterns are not incorporated in the tumor, node, metastasis classification. Squamous cell carcinoma more frequently arises in the central airway and invades adjacent lymph nodes directly than the other histologic types. The purpose of this study was to evaluate the prognostic impact of lymph node involvement patterns in pulmonary pN1 SCC patients. We reviewed 120 consecutive patients with completely resected pN1 squamous cell carcinoma and classified them into two groups based on node involvement pattern: direct (all metastatic N1 nodes involved directly by the main tumor) and separate (one or more metastatic N1 nodes not directly involved by the main tumor) N1 groups. To compare the survival probability, 302 pN0 patients and 59 pN2 patients were also investigated. Univariate and multivariate analyses showed that the N1 node involvement pattern significantly associated with patient prognosis. The direct N1 group resulted in a much better 5-year overall survival rate of 67.7% compared with 32.4% for the separate N1 group (p < 0.01). The direct N1 group sur...Continue Reading

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Citations

Aug 31, 2010·Journal of Thoracic Oncology : Official Publication of the International Association for the Study of Lung Cancer·Masayuki NakaoKanji Nagai
May 3, 2011·Lung Cancer : Journal of the International Association for the Study of Lung Cancer·Jitsuo UsudaNorihiko Ikeda
Nov 16, 2010·Lung Cancer : Journal of the International Association for the Study of Lung Cancer·Jitsuo UsudaNorihiko Ikeda
Jul 3, 2021·Frontiers in Oncology·Qin DangZhenqiang Sun

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