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- W2898230025 abstract "Previous studies had shown the importance of lymph node (LN) resection in T1 NSCLC and recommended no less than 16 LN examination. Few of them reported the role of positive lymph node ratio (PLR). This study was performed to elucidate the prognostic value of PLR in T1 LN positive NSCLC. Patients with T1N1-2M0 NSCLC who underwent complete tumor and LN resection in the SEER database from 2009 to 2014 were identified. PLR was defined as positive LN/examined LN. The cut-off value wad determined by ROC. The overall survival of patients was evaluated using Kaplan-Meier and Cox regression analysis. Those whose LN examination number was less than 16 were excluded. A total of 362 cases were included in the primary cohort. Among them, female accounted for 51.7%. The median number of examined and positive LN were 21 and 2, respectively. Patients with lower PLR had better OS in N2 but no significant result was observed in N1. PLR has significant prognostic value in N2 group. Greater PLR predicts worse prognosis. More cases and clinical data are warranted to verify the effect of PLR in the contemporary staging system." @default.
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- W2898230025 date "2018-10-01" @default.
- W2898230025 modified "2023-09-27" @default.
- W2898230025 title "P3.16-24 Prognostic Value of Positive Lymph Node Ratio in Non-Small Cell Lung Cancer" @default.
- W2898230025 doi "https://doi.org/10.1016/j.jtho.2018.08.1931" @default.
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