Univariate and multivariate analyses indicated that tumor size (hazard ratio = 1.91, P < 0.01 HR = 2.41, P = 0.01) and minimal ablative margin (HR = 0.13, P < 0.01 HR = 0.11, P < 0.01) were independent prognostic factors for the LTP interval. The minimal ablative margin was measured using the fusion of 3D computed tomography reconstruction technique. We retrospectively analyzed 36 patients with stage I NSCLC lesions undergoing MWA and analyzed the relationship between minimal ablative margin and the local tumor progression (LTP) interval, the distant metastasis interval and disease-free survival (DFS). ![]() To assess the ablative margin of microwave ablation (MWA) for stage I non-small cell lung cancer (NSCLC) using a three-dimensional (3D) reconstruction technique.
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