INTRODUCTION: Over the past decade, the emergence of surgical adjuncts such as portal vein embolization, two-stage hepatectomy, and ablative therapies not only decreases mortality and morbidity after an extended hepatectomy but also broadens the indication for surgical treatment of liver metastasis from colorectal cancer. Combination chemotherapeutic regimens, namely 5-fluorouracil/folinic acid with irinotecan or oxaliplatin, and targeted monochromal antibodies can downsize the tumor burden to the extent that formerly unresectable metastases can sometimes be excised. DISCUSSION: The 5-year survival rate following liver resection ranges between 25% and 58%. During the 5-fluorouracil/folinic acid with oxaliplatin and 5-fluorouracil/folinic acid with irinotecan treatment period, the patients who were deemed to be resectable should be considered as surgical candidates regardless of the associated adverse predictive factors. The emergence of epidermal growth factor receptor antibody agents, which act effectively in patients with Kras wild-type tumor, fosters treatment individualization. CONCLUSION: The efficacy of the perioperative chemotherapy on survival benefit for resectable liver metastases has not been justified. However, the timing and indication of surgical treatment paradigm in colorectal liver metastasis, including for synchronous disease and extrahepatic disease, are dramatically changing with the development of chemotherapeutic agents.
INTRODUCTION: Over the past decade, the emergence of surgical adjuncts such as portal vein embolization, two-stage hepatectomy, and ablative therapies not only decreases mortality and morbidity after an extended hepatectomy but also broadens the indication for surgical treatment of liver metastasis from colorectal cancer. Combination chemotherapeutic regimens, namely 5-fluorouracil/folinic acid with irinotecan or oxaliplatin, and targeted monochromal antibodies can downsize the tumor burden to the extent that formerly unresectable metastases can sometimes be excised. DISCUSSION: The 5-year survival rate following liver resection ranges between 25% and 58%. During the 5-fluorouracil/folinic acid with oxaliplatin and 5-fluorouracil/folinic acid with irinotecan treatment period, the patients who were deemed to be resectable should be considered as surgical candidates regardless of the associated adverse predictive factors. The emergence of epidermal growth factor receptor antibody agents, which act effectively in patients with Kras wild-type tumor, fosters treatment individualization. CONCLUSION: The efficacy of the perioperative chemotherapy on survival benefit for resectable liver metastases has not been justified. However, the timing and indication of surgical treatment paradigm in colorectal liver metastasis, including for synchronous disease and extrahepatic disease, are dramatically changing with the development of chemotherapeutic agents.
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