Abstract
Objective
Sublobar resection is practically indicated in poor-risk patients compromised cardiopulmonary reserve or for small ground-glass opacity-dominant adenocarcinomas. The aim of this study was to clarify the surgical outcomes of wide wedge resection in poor-risk patients with clinical-N0 non-small cell lung cancers.
Methods
Sixty-two poor-risk patients, who underwent wedge resection for clinical-N0 lung cancer, were retrospectively reviewed. We defined the ratio of the maximum diameter of the consolidation to the maximum tumour diameter as the consolidation-to-tumour ratio using high-resolution computed tomography.
Results
The 5-year overall, recurrence-free, and lung cancer specific survivals of all patients were 56.4, 46.6, and 81.1%, respectively, while other malignancies were frequently found as causes of death. Overall and recurrence-free survivals were favourable in patients with tumour size ≤3 cm, consolidation-to-tumour ratio ≤0.50, solid tumour size ≤1.2 cm, carcinoembryonic antigen level <5.0 ng/mL and adenocarcinoma. Multivariate Cox proportional hazard model revealed that solid tumour size ≤1.2 cm and consolidation-to-tumour ratio ≤0.50 were independent prognostic factors. CT-guided lipiodol marking was applied in 20 patients to identify the tumour location had no recurrence.
Conclusions
Wide wedge resection could be radical treatment option in poor-risk patients with clinical-N0 non-small cell lung cancer, though careful follow-up might be necessary for other malignancies. Patients with solid tumour ≤1.2 cm or ground-glass-dominant lesion are good candidates for wedge resection. CT-guided lipiodol marking is a useful option to identify the location and safe surgical tumour margin in wedge resection.
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Tsunezuka, H., Kato, D., Okada, S. et al. Surgical outcome of wide wedge resection in poor-risk patients with clinical-N0 non-small cell lung cancer. Gen Thorac Cardiovasc Surg 65, 581–586 (2017). https://doi.org/10.1007/s11748-017-0803-z
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DOI: https://doi.org/10.1007/s11748-017-0803-z