• Riad Naim Younes, Abdo Latif Fares, and Jefferson Luiz Gross.
• Department of Thoracic Surgery of Hospital AC Camargo, Hospital São José and Hospital Sírio-Libanês, São Paulo, SP, Brazil. rnyounes@yahoo.com
• Interact Cardiovasc Thorac Surg. 2012 Feb 1; 14 (2): 156-61.

AbstractSurgical resection is currently a standard approach for isolated lung metastases from different primary tumours. The aim of the present analysis is to evaluate the outcome of patients submitted to complete resection of pulmonary metastases and to determine prognostic factors for long-term survival. A group of 440 consecutive patients previously diagnosed with primary malignant solid tumours and submitted to complete surgical resection of lung nodules with suspected or diagnosed metastatic lesion were retrospectively reviewed. The average follow-up time was 43.2 months (range: 0-192) and the 60-month O.S. was 43.7%. Univariate analysis: patients with adenocarcinoma presented the highest 5-year survival rates (53.4%, P = 0.0001); DFI >36 months (P < 0.0001), number of nodules on CT scan (P = 0.0052), number of malignant nodules resected (P = 0.0252) and the size of the largest resected nodule (P < 0.0001) were also significant. Multivariate analysis: number of malignant nodules resected (P = 0.01), size of the largest nodule resected (P = 0.001), DFI >36 months (P < 0.001) and histology of the primary tumour (P = 0.017) had significant impact on survival. The benefit of such an aggressive surgical approach is only limited to selected subgroups of patients. The decision to consider a patient for resection of metastastic disease should include factors beyond the feasibility of complete removal.

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