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K. Misumi
Author of
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OA15 - Sublobar Resections for Early Stage NSCLC (ID 396)
- Event: WCLC 2016
- Type: Oral Session
- Track: Surgery
- Presentations: 1
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OA15.03 - Comparison of Prognosis between Lobectomy and Sublobar Resection for Clinical Stage I Non-Small Cell Lung Cancer with Interstitial Lung Disease (ID 4063)
16:20 - 16:30 | Author(s): K. Misumi
- Abstract
- Presentation
Background:
The prognosis after standard lobectomy for non-small cell lung cancer (NSCLC) with interstitial lung disease (ILD) is poor. This study aimed to compare the prognosis after lobectomy and sublobar resection for early NSCLC with ILD.
Methods:
Among 794 consecutive patients with clinical stage I NSCLC who underwent complete resection, 107 patients with ILD on high-resolution computed tomography (HRCT), which was defined according to the American Thoracic Society, European Respiratory Society, Japanese Respiratory Society, and Latin American Thoracic Association classification, were identified.
Results:
Overall survival (OS) was significantly worse for patients with possible usual interstitial pneumonia (UIP) or UIP pattern than those with inconsistent with UIP pattern (3-year OS, 64.5% vs. 82.1%, respectively; P = 0.031). No significant difference existed in OS between lobectomy and sublobar resection for all patients with ILD (3-year OS, 67.1% vs. 81.9%, respectively; P = 0.14). Although in patients with inconsistent with UIP pattern, OS was similar between lobectomy and sublobar resection groups (3-year OS, 81.1% vs. 83.6%, respectively; P = 0.87), OS was better for patients who underwent sublobar resection than lobectomy in patients with possible UIP or UIP patterns (3-year OS, 81.0% vs. 50.5%, respectively; P = 0.069). Multivariate Cox analysis demonstrated that preoperative diffusing capacity of the lung for carbon monoxide (P = 0.018), not the surgical procedure (P = 0.14), was an independent prognostic factor for OS.
Conclusion:
Sublobar resection can be an alternative choice for clinical stage I NSCLC with ILD especially for UIP or possible UIP patterns on HRCT.
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