Sequence for Surgical Resection of Primary Lung Tumor for Oligometastatic Non-small Cell Lung Cancer.

The Annals of Thoracic Surgery
Bor-Shiuan ShyrYuh-Min Chen

Abstract

Differing surgical series for the treatment of primary lung tumor with synchronous oligometastatic stage IV non-small cell lung cancer (NSCLC) have been published; however, outcomes remain ambiguous. Patients with synchronous oligometastatic stage IV NSCLC treated from 2005 to 2017 were enrolled to identify the impact of treatment sequence (primary lung resection vs systemic treatment) on progression-free survival (PFS) and overall survival (OS). Tumor resection occurred in 51 patients (84% adenocarcinoma, 55% nonsmokers, and 65% driver gene mutation) before or after systemic treatment in 33 (64.7%) and 18 (35.3%) patients, respectively. Patients who received resection first were older (62.1 vs 54 years) and at a less advanced intrathoracic stage (18% vs 44%). No significant differences were noted regarding perioperative complications (30% vs 28%), hospital length of stay (9.0 vs 10.5 days), percentage of disease progression (91% vs 94%), overall death (70% vs 78%), median PFS (14.0 vs 22.8 months), and OS (44.6 vs 53.2 months). Patients with single-organ metastasis had significantly longer PFS and OS than those with oligometastases (17.5 vs 12.8 months, P = .040; and 55.6 vs 39.8 months, P = .035), respectively. Multivariable ...Continue Reading

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