Background/aims: The significance of surgical resection for non-colorectal non-neuroendocrine tumor liver metastasis (NCNNLM) remains controversial. The present study sought to clarify the long-term outcomes of surgical resection for NCNNLM and prognostic factors after hepatectomy in a single institution.
Methodology: From 1993 to 2009, 145 patients underwent hepatectomy for NCNNLM. The primary sites of the hepatic tumors were gastrointestinal carcinoma in 80 cases, breast in 30, genitourinary in 12, gastrointestinal stromal tumor in 11, and miscellaneous in 12.
Results: The cumulative 1-, 3-, and 5-year overall survival rates of those who underwent hepatectomy for NCNNLM were 83.9, 55.4, and 41.0%, respectively, with median overall survival times of 41.8 months. Multivariate analysis revealed that postoperative complication was the only independent poor prognostic factor impacting on survival. Postoperative morbidity and mortality rate were 17.9% and 1.4%. There are 38 cases survived more than 5 years including 21 patients without remnant tumors due to the repeat hepatic and/or pulmonary resection for recurrence. A total of 32 patients survived without tumor and without any kinds of chemotherapy in the latest condition.
Conclusions: Hepatectomy for NCNNLM may be beneficial and might relieve patients from excursive chemotherapy in selected patients. Meticulous surgery avoiding complication may enhance the outcome.
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Introduction: It remains unclear whether liver resection is justified in patients with non-colorectal non-neuroendocrine liver metastases (NCNNLM). A single-center study was conducted to analyse overall survival (OS), disease-free survival (DFS), and potential prognostic factors in patients with different types of NCNNLM.
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