Although in the subgroups with lymph node involvement (N1), distant lymph node metastasis (M1), distant organ metastasis (M2), and tumor spread outside the trachea but not to adjacent connective tissue (E2), after the Kaplan-Meier analysis, the P values were all greater than 0.05, indicating no statistical significance, the survival curves showed a trend that surgical patients had a better prognosis than non-surgical patients.
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The impact of surgery and age on mortality with primary trachea malignant tumors: a retrospective study based on propensity-score matching analysis.
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