PURPOSE: Pulmonary metastases from gastric cancer are rare, and the role of surgery is unclear. The purpose of this study was to determine which patients with metachronous metastatic gastric cancer (MGC) might benefit from pulmonary resection. METHODS: Between 1998 and 2011, 12 patients underwent 14 pulmonary resections for MGC. We reviewed their clinical courses and evaluated their radiological findings. RESULTS: Solitary pulmonary lesions were identified for 11 metastases, and the remaining three showed multiple pulmonary lesions. Six patients received treatment for the metastases before pulmonary resection. Lobectomy was performed for five lesions and wedge resection was performed for the remaining nine lesions. At the median follow-up time of 23.0 months, four patients were alive without disease, and the median DFS following pulmonary resection was 6.6 months. The overall 5-year survival rate following pulmonary resection was 58.4 %. In a univariate analysis, the number of lesions and the tumor doubling time (TDT) were significant predictors of the DFS, although prior treatment was not a significant predictor of the DFS. CONCLUSION: Pulmonary resection for MGC might be an effective therapeutic option when there is a solitary metastatic lesion that has a long TDT, even if the patient has been previously treated for metastases.
PURPOSE: Pulmonary metastases from gastric cancer are rare, and the role of surgery is unclear. The purpose of this study was to determine which patients with metachronous metastatic gastric cancer (MGC) might benefit from pulmonary resection. METHODS: Between 1998 and 2011, 12 patients underwent 14 pulmonary resections for MGC. We reviewed their clinical courses and evaluated their radiological findings. RESULTS: Solitary pulmonary lesions were identified for 11 metastases, and the remaining three showed multiple pulmonary lesions. Six patients received treatment for the metastases before pulmonary resection. Lobectomy was performed for five lesions and wedge resection was performed for the remaining nine lesions. At the median follow-up time of 23.0 months, four patients were alive without disease, and the median DFS following pulmonary resection was 6.6 months. The overall 5-year survival rate following pulmonary resection was 58.4 %. In a univariate analysis, the number of lesions and the tumor doubling time (TDT) were significant predictors of the DFS, although prior treatment was not a significant predictor of the DFS. CONCLUSION: Pulmonary resection for MGC might be an effective therapeutic option when there is a solitary metastatic lesion that has a long TDT, even if the patient has been previously treated for metastases.
Authors: Rebecca M Lindell; Thomas E Hartman; Stephen J Swensen; James R Jett; David E Midthun; Henry D Tazelaar; Jayawant N Mandrekar Journal: Radiology Date: 2007-02 Impact factor: 11.105
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