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Pulmonary resection for metastases from colorectal adenocarcinomas
Chien-Ying Wang1, Chih-Cheng Hsie, Han-Shui Hsu
1Department of Surgery, Taipei Veterans General Hospital, Taiwan, ROC.
Background:
Colorectal cancer is one of the most common cancers in Taiwan, as in the other part of the world. Surgical intervention is the best treatment of choice, yet some patients still developed distant metastasis after primary lesions were controlled. Metastasectomy is reported to improve the survival. This retrospective study was carried out to evaluate the relationship between the prognostic factors of lung metastasectomy and patient survival.
Methods:
From 1981 to 2000, 68 patients undergoing complete lung metastasectomy in our section were studied. The prognostic factors influencing survival were analyzed, and the survival analysis was made with Kaplan-Meier method and compared by log-rank test.
Results:
There was no surgical mortality in our series. The 5-year survival was 36.1%. None of parameters such as age, sex, stage of primary colorectal cancer, surgical method, size, number of metastatic deposits and disease free interval showed to relate with the survival.
Conclusions:
We concluded that lung metastasectomy for colorectal cancer is safe and effective to improve the survival. Since there were no significant factors influencing the survival, there should be no absolute contraindication against resectable pulmonary metastasis after primary lesions were adequately controlled.