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OA15 - Sublobar Resections for Early Stage NSCLC (ID 396)
- Event: WCLC 2016
- Type: Oral Session
- Track: Surgery
- Presentations: 1
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)
16:00 - 17:30 | Author(s): T. Mimura
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.
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.
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.
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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