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Surgical Outcomes of Radiographically Noninvasive Lung Adenocarcinoma according to Surgical Strategy: Wedge Resection, Segmentectomy, and Lobectomy
The Korean Journal of Thoracic and Cardiovascular Surgery ; : 376-383, 2018.
Article in English | WPRIM | ID: wpr-718917
ABSTRACT

BACKGROUND:

The aim of this study was to evaluate the outcomes of surgical resection in patients with radiographically noninvasive lung adenocarcinoma according to the surgical strategy.

METHODS:

A retrospective study was conducted of 128 patients who underwent pulmonary resection for ground-glass opacity (GGO)–dominant nodules measuring ≤2 cm with a consolidation/tumor ratio ≤0.25 based on computed tomography between 2008 and 2015. The 5-year disease-free survival (DFS) rate and 5-year overall survival (OS) rate were analyzed.

RESULTS:

Among the 128 patients, wedge resection, segmentectomy, and lobectomy were performed in 40 (31.2%), 22 (17.2%), and 66 patients (51.6%), respectively. No significant differences were found among the groups in the mean size of tumors (p=0.119), the rate of pure-GGO nodules (p=0.814), the consolidation/tumor ratio (p=0.695), or the rate of invasive adenocarcinoma (p=0.378). Centrally located tumors were more common in the lobectomy group (21.2%) than in the wedge resection (0%) or segmentectomy (0%) groups (p=0.001). There were no significant differences in the 5-year DFS rate (100%, 100%, 92.7%, respectively; p=0.76) or 5-year OS rate (100%, 100%, 100%; p=0.223) among the wedge resection, segmentectomy, and lobectomy groups.

CONCLUSION:

For radiographically noninvasive lung adenocarcinoma measuring ≤2 cm with a consolidation/tumor ratio ≤0.25, wedge resection and segmentectomy could be comparable surgical options to lobectomy.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Thorax / Mastectomy, Segmental / Adenocarcinoma / Retrospective Studies / Solitary Pulmonary Nodule / Disease-Free Survival / Lung Type of study: Observational study Limits: Humans Language: English Journal: The Korean Journal of Thoracic and Cardiovascular Surgery Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Thorax / Mastectomy, Segmental / Adenocarcinoma / Retrospective Studies / Solitary Pulmonary Nodule / Disease-Free Survival / Lung Type of study: Observational study Limits: Humans Language: English Journal: The Korean Journal of Thoracic and Cardiovascular Surgery Year: 2018 Type: Article