Inproceedings: an article in a conference proceedings.
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Survival after lung metastasectomy in colorectal cancer patients with previously resected liver metastases
Title of the conference
98th Annual Congress of the Swiss Society of Surgery
Geneva, Switzerland, May 25-27, 2011
British Journal of Surgery
Publication type : Meeting Abstract
Objective: Resection of hepatic metastases is indicated in selected Stage IV colorectal cancer (CRC) patients. A minority will eventually develop pulmonary metastases and may be candidates for lung surgery. The aim of this study was to assess clinical outcome, and identify parameters predicting survival after pulmonary metastasectomy, in patients who underwent prior resection of hepatic CRC metastases.Methods: We performed a retrospective analysis of 27 consecutive patients (median age 62 [range 33-75] years) who underwent resection of pulmonary metastases from CRC in two institutions from 1996 to 2009. All patients considered in the analysis had previously undergone colorectal and hepatic surgery with curative intent, and were considered cured in both locations (R0).Results: Median follow-up was 32 (range 3-69) months after resection of lung metastases and 65 (range 19-146) months after resection of primary CRC. Eleven (40?7%) patients had their primary tumors located in the rectum, and 12 (44%) patients presented initially with synchronous liver metastases (stage IV). Median disease-free interval between primary colorectal tumor and development of first metastasis was 6 (range 0-50) months. At the time of last follow-up, seven patients only (26%) were alive without evidence of recurrence. Three- and 5-year overall survival rates after lung surgery were 56% and 39%, respectively. Median survival after pulmonary metastasectomy was 46 months. In multivariate analysis, the number of pulmonary lesions was significantly correlated with survival (log-rank test, p = 0?035).Conclusion: Resection of lung metastases from CRC patients is compatible with prolonged (median = 4 years) survival, even when those patients had undergone prior resection of liver metastases. While prolonged, disease-free survival remains the exception, patients presentin
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