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Liver resection has clearly been established as the standard treatment for resectable colorectal liver metastases. This article will review the expanding role for hepatectomy in this disease. Faster and safer hepatectomies are allowing combined resections of the primary cancer and synchronous hepatic metastases. Effective neoadjuvant chemotherapy, as well as increasing data demonstrating effectiveness and safety of combined hepatectomy and ablative therapies, have further expanded the pool of patients now selected for resection. The end result is that increasing numbers of patients are undergoing acceptably aggressive surgical therapies with extension of life and possible cure. Successful multimodality therapies are also now allowing for long-term survival even in patients not cured of cancer. The prolonged survival of most patients treated by hepatectomy has allowed a long-term analysis of the patterns of recurrence, which emphasize the importance of controlling liver disease for prolongation of life. These improvements in treatments for hepatic metastases have come with a precipitous escalation of the costs of care. This will likely require that future clinical trials and algorithms of care not only be based on cancer outcome data but also on value analysis of treatment and follow-up regimens.